# All equations

1,171 equations from 159 sources, most recently checked 2026-11-02.

Each equation links to its page, with the equation as printed, its source and a calculator. All data: https://treeallometry.org/data/equations.json.

## Aboveground biomass (511)

- [Acacia cochliacantha AGB from dbh (Table 3)](https://treeallometry.org/equations/gomez-2021-a-cochliacantha/), Gómez et al. 2021: Acacia cochliacantha, Mexico; inputs DBH; DBH 3.5–12 cm.
- [Acacia hybrid plantation, Sarawak, AGB from D (power)](https://treeallometry.org/equations/adam-2018-hybrid-power/), Adam & Jusoh 2018: Acacia mangium × Acacia auriculiformis (Acacia hybrid), Malaysia; inputs DBH; DBH 12.8–40.9 cm; 36 trees.
- [Acacia mangium (2nd generation) plantation, Sarawak, AGB from D (power)](https://treeallometry.org/equations/adam-2018-mangium-power/), Adam & Jusoh 2018: Acacia mangium, Malaysia; inputs DBH; DBH 11.6–41.5 cm; 35 trees.
- [Acacia mearnsii Aboveground biomass from D and H (Table 3, model 1)](https://treeallometry.org/equations/shumie-2024-agb/), Shumie et al. 2024: Acacia mearnsii, Ethiopia; inputs DBH + Height; DBH 1.1–11.9 cm; 24 trees.
- [Acacia melanoxylon AGB in Andean agroforestry, sum of SUR component models (DBH, height)](https://treeallometry.org/equations/riofrio-2013-acacia-melanoxylon/), Riofrío et al. 2013: Acacia melanoxylon, Ecuador; inputs DBH + Height; DBH 13.4–31.5 cm; 30 trees.
- [Acacia-Commiphora total AGB, M1 (D only)](https://treeallometry.org/equations/amanuel-2024-total-m1/), Amanuel et al. 2024: Eleven woody species of the Acacia-Commiphora biome (mixed), Ethiopia; inputs DBH; 140 trees.
- [Acacia-Commiphora total AGB, M2 (rho D2 H)](https://treeallometry.org/equations/amanuel-2024-total-m2/), Amanuel et al. 2024: Eleven woody species of the Acacia-Commiphora biome (mixed), Ethiopia; inputs Wood density + DBH + Height; 140 trees.
- [Acacia-Commiphora total AGB, M4 (D, H)](https://treeallometry.org/equations/amanuel-2024-total-m4/), Amanuel et al. 2024: Eleven woody species of the Acacia-Commiphora biome (mixed), Ethiopia; inputs DBH + Height; 140 trees.
- [Acacia-Commiphora total AGB, M5 (D, crown width)](https://treeallometry.org/equations/amanuel-2024-total-m5/), Amanuel et al. 2024: Eleven woody species of the Acacia-Commiphora biome (mixed), Ethiopia; inputs DBH + Crown diameter; 140 trees.
- [Acacia-Commiphora total AGB, M7 (rho D2 H, crown width)](https://treeallometry.org/equations/amanuel-2024-total-m7/), Amanuel et al. 2024: Eleven woody species of the Acacia-Commiphora biome (mixed), Ethiopia; inputs Wood density + DBH + Height + Crown diameter; 140 trees.
- [Acacia-Commiphora total AGB, M8 (rho D2 H, crown width, D30)](https://treeallometry.org/equations/amanuel-2024-total-m8/), Amanuel et al. 2024: Eleven woody species of the Acacia-Commiphora biome (mixed), Ethiopia; inputs Wood density + DBH + Height + Crown diameter + D30; 140 trees.
- [Acer campestre, aboveground dry mass vs height (Model 2)](https://treeallometry.org/equations/kartashova-2026-acer-campestre-pag-h/), Kartashova et al. 2026: Acer campestre, Russia; inputs Height; 11 trees.
- [AGB Model 1 (DBH, H, WD), peat swamp forest Sarawak](https://treeallometry.org/equations/monda-2015-agb-m1/), Monda et al. 2015: Mixed tree species, tropical peat swamp forest, Malaysia; inputs DBH + Height + Wood density; DBH 5.2–97 cm; 41 trees.
- [AGB Model 2 (DBH, H, WD and \[ln(DBH)\]²), peat swamp forest Sarawak](https://treeallometry.org/equations/monda-2015-agb-m2/), Monda et al. 2015: Mixed tree species, tropical peat swamp forest, Malaysia; inputs DBH + Height + Wood density; DBH 5.2–97 cm; 41 trees.
- [AGB Model 3 (DBH, H and \[ln(DBH)\]²), peat swamp forest Sarawak](https://treeallometry.org/equations/monda-2015-agb-m3/), Monda et al. 2015: Mixed tree species, tropical peat swamp forest, Malaysia; inputs DBH + Height; DBH 5.2–97 cm; 41 trees.
- [AGB Model 4 (DBH, WD and \[ln(DBH)\]²), peat swamp forest Sarawak](https://treeallometry.org/equations/monda-2015-agb-m4/), Monda et al. 2015: Mixed tree species, tropical peat swamp forest, Malaysia; inputs DBH + Wood density; DBH 5.2–97 cm; 41 trees.
- [AGB Model 5 (DBH only), peat swamp forest Sarawak](https://treeallometry.org/equations/monda-2015-agb-m5/), Monda et al. 2015: Mixed tree species, tropical peat swamp forest, Malaysia; inputs DBH; DBH 5.2–97 cm; 41 trees.
- [AGB Model 6 (DBH and \[ln(DBH)\]²), peat swamp forest Sarawak](https://treeallometry.org/equations/monda-2015-agb-m6/), Monda et al. 2015: Mixed tree species, tropical peat swamp forest, Malaysia; inputs DBH; DBH 5.2–97 cm; 41 trees.
- [All three forest types, Rio de Janeiro (local-generic), DBH and height (Schumacher and Hall, Model 3)](https://treeallometry.org/equations/gaui-2024-general-model3/), Gaui et al. 2024: Mixed Atlantic Forest trees (rainforest, semideciduous, restinga), Brazil; inputs DBH + Height; 172 trees.
- [All three forest types, Rio de Janeiro (local-generic), DBH and height (Spurr, Model 2)](https://treeallometry.org/equations/gaui-2024-general-model2/), Gaui et al. 2024: Mixed Atlantic Forest trees (rainforest, semideciduous, restinga), Brazil; inputs DBH + Height; 172 trees.
- [All three forest types, Rio de Janeiro (local-generic), DBH only (Husch, Model 1)](https://treeallometry.org/equations/gaui-2024-general-model1/), Gaui et al. 2024: Mixed Atlantic Forest trees (rainforest, semideciduous, restinga), Brazil; inputs DBH; 172 trees.
- [Alnus acuminata (aliso) AGB, sum of SUR component models (DBH, height)](https://treeallometry.org/equations/riofrio-2013-alnus-acuminata/), Riofrío et al. 2013: Alnus acuminata, Ecuador; inputs DBH + Height; DBH 9.3–20.3 cm; 30 trees.
- [Alnus acuminata AGB, DBH only (13-year restoration plantation)](https://treeallometry.org/equations/giraldo-salazar-2025-alnus/), Giraldo-Salazar et al. 2025: Alnus acuminata, Colombia; inputs DBH; DBH 6.4–29.6 cm; 23 trees.
- [Amazon arborescent palms, family-level AGB from diameter only](https://treeallometry.org/equations/goodman-2013-palm-family-d/), Goodman et al. 2013: Arecaceae, Peru; inputs DBH; DBH 6–40 cm; 97 trees.
- [Anadenanthera macrocarpa, caatinga, DBH](https://treeallometry.org/equations/sampaio-2005-anadenanthera-macrocarpa-dbh/), Sampaio & Silva 2005: Anadenanthera macrocarpa, Brazil; inputs DBH; 30 trees.
- [Anadenanthera macrocarpa, caatinga, ground-level diameter](https://treeallometry.org/equations/sampaio-2005-anadenanthera-macrocarpa-dgl/), Sampaio & Silva 2005: Anadenanthera macrocarpa, Brazil; inputs Root collar diameter; 30 trees.
- [Arbutus bicolor total aboveground biomass](https://treeallometry.org/equations/vargas-larreta-2017-a-bicolor-agb/), Vargas-Larreta et al. 2017: Arbutus bicolor, Mexico; inputs DBH + Height; DBH 7.9–44.8 cm; 49 trees.
- [Areca palm (pinang) AGB from DBH](https://treeallometry.org/equations/prayogo-2018-dbh/), Prayogo et al. 2018: Areca catechu, Indonesia; inputs DBH; 9 trees.
- [Aspidosperma pyrifolium, caatinga, DBH](https://treeallometry.org/equations/sampaio-2005-aspidosperma-pyrifolium-dbh/), Sampaio & Silva 2005: Aspidosperma pyrifolium, Brazil; inputs DBH; 30 trees.
- [Aspidosperma pyrifolium, caatinga, ground-level diameter](https://treeallometry.org/equations/sampaio-2005-aspidosperma-pyrifolium-dgl/), Sampaio & Silva 2005: Aspidosperma pyrifolium, Brazil; inputs Root collar diameter; 30 trees.
- [Astrocaryum murumuru AGB from stem height (through origin)](https://treeallometry.org/equations/goodman-2013-astrocaryum-murumuru/), Goodman et al. 2013: Astrocaryum murumuru, Peru; inputs Stem height; DBH 15–29 cm; 18 trees.
- [Attalea phalerata AGB from stem height](https://treeallometry.org/equations/goodman-2013-attalea-phalerata/), Goodman et al. 2013: Attalea phalerata, Peru; inputs Stem height; DBH 17–50 cm; 21 trees.
- [Avicennia lanata Total aboveground biomass from D30 (Table 1)](https://treeallometry.org/equations/hasidu-2022-w-d30/), Hasidu et al. 2022: Avicennia lanata, Indonesia; inputs D30; 13 trees.
- [Avicennia lanata Total aboveground biomass from DBH (Table 1)](https://treeallometry.org/equations/hasidu-2022-w-dbh/), Hasidu et al. 2022: Avicennia lanata, Indonesia; inputs DBH; 13 trees.
- [Avicennia officinalis + Sonneratia apetala aboveground biomass, a x^b of DBH (Table 5)](https://treeallometry.org/equations/lwin-2026-mixed-d/), Lwin et al. 2026: Avicennia officinalis and Sonneratia apetala, Myanmar (Burma); inputs DBH; DBH 5–20 cm; 30 trees.
- [Avicennia officinalis + Sonneratia apetala aboveground biomass, a x^b of DBH \* H (Table 5)](https://treeallometry.org/equations/lwin-2026-mixed-dh/), Lwin et al. 2026: Avicennia officinalis and Sonneratia apetala, Myanmar (Burma); inputs DBH + Height; DBH 5–20 cm; 30 trees.
- [Avicennia officinalis + Sonneratia apetala aboveground biomass, a x^b of DBH^2 \* H (Table 5)](https://treeallometry.org/equations/lwin-2026-mixed-d2h/), Lwin et al. 2026: Avicennia officinalis and Sonneratia apetala, Myanmar (Burma); inputs DBH + Height; DBH 5–20 cm; 30 trees.
- [Avicennia officinalis + Sonneratia apetala aboveground biomass, a x^b of rho \* DBH (Table 5)](https://treeallometry.org/equations/lwin-2026-mixed-rhod/), Lwin et al. 2026: Avicennia officinalis and Sonneratia apetala, Myanmar (Burma); inputs Wood density + DBH; DBH 5–20 cm; 30 trees.
- [Avicennia officinalis + Sonneratia apetala aboveground biomass, a x^b of rho \* DBH \* H (Table 5)](https://treeallometry.org/equations/lwin-2026-mixed-rhodh/), Lwin et al. 2026: Avicennia officinalis and Sonneratia apetala, Myanmar (Burma); inputs Wood density + DBH + Height; DBH 5–20 cm; 30 trees.
- [Avicennia officinalis + Sonneratia apetala aboveground biomass, a x^b of rho \* DBH^2 \* H (Table 5)](https://treeallometry.org/equations/lwin-2026-mixed-rhod2h/), Lwin et al. 2026: Avicennia officinalis and Sonneratia apetala, Myanmar (Burma); inputs Wood density + DBH + Height; DBH 5–20 cm; 30 trees.
- [Avicennia officinalis aboveground biomass, a x^b of DBH^2 \* H (Table 3)](https://treeallometry.org/equations/lwin-2026-ao-agb/), Lwin et al. 2026: Avicennia officinalis, Myanmar (Burma); inputs DBH + Height; DBH 5–13 cm; 15 trees.
- [Avocado on Kenyan farms, mean DBH (Eq. 2)](https://treeallometry.org/equations/kuyah-2024-avocado/), Kuyah et al. 2024: Persea americana, Kenya; inputs DBH; DBH 5.3–96.2 cm; from a secondary source.
- [Bambusa procera plant aboveground biomass (culm + branches + leaves), D and H, two-predictor system (combination 6)](https://treeallometry.org/equations/huy-2019-dh-agb/), Huy et al. 2019: Bambusa procera, Vietnam; inputs DBH + Height; DBH 3.6–9.5 cm; 83 trees.
- [Bambusa procera plant aboveground biomass (culm + branches + leaves), D only system (combination 1)](https://treeallometry.org/equations/huy-2019-d-agb/), Huy et al. 2019: Bambusa procera, Vietnam; inputs DBH; DBH 3.6–9.5 cm; 83 trees.
- [Beech on dry sites, total aboveground dry biomass from DBH (Table 3)](https://treeallometry.org/equations/chakraborty-2016-dbh-agb/), Chakraborty et al. 2016: Fagus sylvatica, Germany, Switzerland; inputs DBH; DBH 2–18 cm; 66 trees.
- [Beech saplings on dry sites, total aboveground dry biomass from root-collar diameter (Table 2)](https://treeallometry.org/equations/chakraborty-2016-drc-agb/), Chakraborty et al. 2016: Fagus sylvatica, Germany, Switzerland; inputs Root collar diameter; 20 trees.
- [Betula pendula total aboveground biomass vs DBH (Eq. 4), forest-swamp, Middle Urals](https://treeallometry.org/equations/petrova-2026-birch-agb/), Petrova et al. 2026: Betula pendula, Russia; inputs DBH; DBH 1.1–17.1 cm; 18 trees.
- [Birch aboveground biomass, young dense stands, N Sweden (Table 5)](https://treeallometry.org/equations/repola-2014-agb-birch/), Repola & Ahnlund Ulvcrona 2014: Betula, Sweden; inputs DBH + Height; DBH 1–11 cm; 86 trees.
- [Birch total above-ground biomass excluding foliage, Model 1a (Eq. 11)](https://treeallometry.org/equations/repola-2008-betula-total/), Repola 2008: Betula, Finland; inputs DBH + Height; DBH 2.5–38 cm; 127 trees.
- [Black cottonwood total aboveground biomass from DBH and height (Table 4)](https://treeallometry.org/equations/poudel-2019-populus-trichocarpa/), Poudel et al. 2019: Populus trichocarpa, United States; inputs DBH + Height; DBH 7.4–30.6 cm; 19 trees.
- [Black spruce total aboveground biomass from DBH and height (Table 4)](https://treeallometry.org/equations/poudel-2019-picea-mariana/), Poudel et al. 2019: Picea mariana, United States; inputs DBH + Height; DBH 3.5–38.4 cm; 67 trees.
- [Buddleja coriacea (colle) AGB per stem from diameter at 30 cm and height (sum of SUR components)](https://treeallometry.org/equations/riofrio-2013-buddleja-coriacea/), Riofrío et al. 2013: Buddleja coriacea, Ecuador; inputs D30 + Height; 13 trees.
- [Byrsonima gardneriana, total aerial dry biomass from ground-level diameter and height (Table 2)](https://treeallometry.org/equations/mendonca-2013-byrsonima-gardneriana/), Mendonça et al. 2013: Byrsonima gardneriana, Brazil; inputs Height + Root collar diameter; 15 trees.
- [C. tabularis AGB from D2H (Model 7, bias-corrected)](https://treeallometry.org/equations/tipu-2021-agb-d2h/), Tipu et al. 2021: Chukrasia tabularis, Bangladesh; inputs DBH + Height; DBH 9–52 cm; 98 trees.
- [Caesalpinia pyramidalis, caatinga, DBH](https://treeallometry.org/equations/sampaio-2005-caesalpinia-pyramidalis-dbh/), Sampaio & Silva 2005: Caesalpinia pyramidalis, Brazil; inputs DBH; 30 trees.
- [Caesalpinia pyramidalis, caatinga, ground-level diameter](https://treeallometry.org/equations/sampaio-2005-caesalpinia-pyramidalis-dgl/), Sampaio & Silva 2005: Caesalpinia pyramidalis, Brazil; inputs Root collar diameter; 30 trees.
- [Campo-Ma'an AGB from D²H (Table 3, model 3)](https://treeallometry.org/equations/djomo-2010-campo-d2h/), Djomo et al. 2010: Mixed species, Campo-Ma'an lowland moist forest, Cameroon; inputs DBH + Height; DBH 1–79 cm; 71 trees.
- [Campo-Ma'an AGB from DBH (Table 3, model 2)](https://treeallometry.org/equations/djomo-2010-campo-d/), Djomo et al. 2010: Mixed species, Campo-Ma'an lowland moist forest, Cameroon; inputs DBH; DBH 1–79 cm; 71 trees.
- [Campo-Ma'an AGB from DBH and wood density (Table 3, model 4)](https://treeallometry.org/equations/djomo-2010-campo-d-rho/), Djomo et al. 2010: Mixed species, Campo-Ma'an lowland moist forest, Cameroon; inputs DBH + Wood density; DBH 1–79 cm; 71 trees.
- [Campo-Ma'an AGB from DBH, height and wood density (Table 3, model 5)](https://treeallometry.org/equations/djomo-2010-campo-d-d2h-rho/), Djomo et al. 2010: Mixed species, Campo-Ma'an lowland moist forest, Cameroon; inputs DBH + Height + Wood density; DBH 1–79 cm; 71 trees.
- [Canadian national equation, black spruce, dbh only (sum of wood, bark, branches, foliage; Table 3)](https://treeallometry.org/equations/lambert-2005-black-spruce/), Lambert et al. 2005: Picea mariana, Canada; inputs DBH; DBH 1.6–37.2 cm; 1,534 trees.
- [Canadian national equation, jack pine, dbh only (sum of wood, bark, branches, foliage; Table 3)](https://treeallometry.org/equations/lambert-2005-jack-pine/), Lambert et al. 2005: Pinus banksiana, Canada; inputs DBH; DBH 1.7–41 cm; 364 trees.
- [Canadian national equation, red oak, dbh only (sum of wood, bark, branches, foliage; Table 3)](https://treeallometry.org/equations/lambert-2005-red-oak/), Lambert et al. 2005: Quercus rubra, Canada; inputs DBH; DBH 1.1–55.3 cm; 117 trees.
- [Canadian national equation, sugar maple, dbh only (sum of wood, bark, branches, foliage; Table 3)](https://treeallometry.org/equations/lambert-2005-sugar-maple/), Lambert et al. 2005: Acer saccharum, Canada; inputs DBH; DBH 2–57.8 cm; 235 trees.
- [Canadian national equation, trembling aspen, dbh only (sum of wood, bark, branches, foliage; Table 3)](https://treeallometry.org/equations/lambert-2005-trembling-aspen/), Lambert et al. 2005: Populus tremuloides, Canada; inputs DBH; DBH 0.7–47.2 cm; 773 trees.
- [Cenostigma macrophyllum, total aerial dry biomass from ground-level diameter (Table 2)](https://treeallometry.org/equations/mendonca-2013-cenostigma-macrophyllum/), Mendonça et al. 2013: Cenostigma macrophyllum, Brazil; inputs Root collar diameter; 15 trees.
- [Cerrado sensu stricto wood + bark dry mass from D30 (quadratic, Fig. 5)](https://treeallometry.org/equations/vale-2002-agb-d30/), Vale et al. 2002: Cerrado sensu stricto woody species (47 species), Brazil; inputs D30.
- [Chamaecrista belemii, total aerial dry biomass from ground-level diameter and height (Table 2)](https://treeallometry.org/equations/mendonca-2013-chamaecrista-belemii/), Mendonça et al. 2013: Chamaecrista belemii, Brazil; inputs Root collar diameter + Height; 30 trees.
- [Chekanovsky larch AGB from D and H, weighted (Table 3)](https://treeallometry.org/equations/altanzagas-2022-agb-czekanowskii-dh-w/), Altanzagas et al. 2022: Larix czekanowskii, Mongolia; inputs DBH + Height; DBH 5.3–40 cm; 10 trees.
- [Chekanovsky larch AGB from D²H, unweighted (Table 3)](https://treeallometry.org/equations/altanzagas-2022-agb-czekanowskii-d2h-n/), Altanzagas et al. 2022: Larix czekanowskii, Mongolia; inputs DBH + Height; DBH 5.3–40 cm; 10 trees.
- [Chekanovsky larch AGB from D²H, weighted (Table 3)](https://treeallometry.org/equations/altanzagas-2022-agb-czekanowskii-d2h-w/), Altanzagas et al. 2022: Larix czekanowskii, Mongolia; inputs DBH + Height; DBH 5.3–40 cm; 10 trees.
- [Chekanovsky larch AGB from DBH only, unweighted (Table 3)](https://treeallometry.org/equations/altanzagas-2022-agb-czekanowskii-d-n/), Altanzagas et al. 2022: Larix czekanowskii, Mongolia; inputs DBH; DBH 5.3–40 cm; 10 trees.
- [Chekanovsky larch AGB from DBH only, weighted (Table 3)](https://treeallometry.org/equations/altanzagas-2022-agb-czekanowskii-d-w/), Altanzagas et al. 2022: Larix czekanowskii, Mongolia; inputs DBH; DBH 5.3–40 cm; 10 trees.
- [Chinese fir aboveground biomass (compatible total-biomass system)](https://treeallometry.org/equations/du-2026-fir-agb/), Du et al. 2026: Cunninghamia lanceolata, China; inputs DBH + Height; DBH 2.2–35.3 cm; 154 trees.
- [Chinese pine aboveground biomass from DBH (age-sequence plantations)](https://treeallometry.org/equations/shen-2025-agb-d/), Shen et al. 2025: Pinus tabuliformis, China; inputs DBH; 60 trees.
- [Cistus albidus total aboveground fuel (biomass) from basal diameter, all development states](https://treeallometry.org/equations/deltell-2024-c-albidus-total/), Deltell et al. 2024: Cistus albidus, Spain; inputs Root collar diameter.
- [Cistus clusii total aboveground fuel (biomass) from basal diameter, all development states](https://treeallometry.org/equations/deltell-2024-c-clusii-total/), Deltell et al. 2024: Cistus clusii, Spain; inputs Root collar diameter.
- [Citharexylum subflavescens AGB, DBH only (13-year restoration plantation)](https://treeallometry.org/equations/giraldo-salazar-2025-citharexylum/), Giraldo-Salazar et al. 2025: Citharexylum subflavescens, Colombia; inputs DBH; DBH 5.35–28.3 cm; 20 trees.
- [Common mangrove above-ground weight (Eq. 9)](https://treeallometry.org/equations/komiyama-2005-eq9-agb/), Komiyama et al. 2005: Mangroves (10 species: Rhizophora, Bruguiera, Ceriops, Avicennia, Sonneratia, Xylocarpus), Thailand, Indonesia; inputs Wood density + DBH; DBH 5–48.9 cm; 104 trees.
- [Conzattia multiflora AGB from dbh (Table 3)](https://treeallometry.org/equations/gomez-2021-c-multiflora/), Gómez et al. 2021: Conzattia multiflora, Mexico; inputs DBH; DBH 4.9–25.2 cm; 8 trees.
- [Copaifera coriacea, total aerial dry biomass from ground-level diameter (Table 2)](https://treeallometry.org/equations/mendonca-2013-copaifera-coriacea/), Mendonça et al. 2013: Copaifera coriacea, Brazil; inputs Root collar diameter; 15 trees.
- [Coprosma robusta (all sites): AGB from D and H (Table 7)](https://treeallometry.org/equations/wangui-2026-agb-coprosma-robusta-d-h/), Wangui et al. 2026: Coprosma robusta, New Zealand; inputs Root collar diameter + Height; 18 trees.
- [Coprosma robusta (Massey University): AGB from D and H (Table 7)](https://treeallometry.org/equations/wangui-2026-agb-coprosma-robusta-massey-d-h/), Wangui et al. 2026: Coprosma robusta, New Zealand; inputs Root collar diameter + Height; 6 trees.
- [Coprosma robusta, NZ, total aboveground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-coprosma-agb/), Marden et al. 2025: Coprosma robusta, New Zealand; inputs Root collar diameter.
- [Cordyline australis, NZ, total aboveground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-cordyline-agb/), Marden et al. 2025: Cordyline australis, New Zealand; inputs Root collar diameter.
- [Coriaria arborea, NZ, total aboveground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-coriaria-agb/), Marden et al. 2025: Coriaria arborea, New Zealand; inputs Root collar diameter.
- [Croton magdalenensis AGB, DBH and height (13-year restoration plantation)](https://treeallometry.org/equations/giraldo-salazar-2025-croton/), Giraldo-Salazar et al. 2025: Croton magdalenensis, Colombia; inputs DBH + Height; DBH 6.85–32.45 cm; 23 trees.
- [Croton sonderianus, caatinga, DBH](https://treeallometry.org/equations/sampaio-2005-croton-sonderianus-dbh/), Sampaio & Silva 2005: Croton sonderianus, Brazil; inputs DBH; 30 trees.
- [Croton sonderianus, caatinga, ground-level diameter](https://treeallometry.org/equations/sampaio-2005-croton-sonderianus-dgl/), Sampaio & Silva 2005: Croton sonderianus, Brazil; inputs Root collar diameter; 30 trees.
- [Cryptomeria japonica Aboveground from DBH (Table 3)](https://treeallometry.org/equations/jung-2014-agb/), Jung et al. 2014: Cryptomeria japonica, South Korea; inputs DBH; DBH 13–28 cm; 18 trees.
- [Cryptomeria japonica Generalized aboveground total (log10, Table 4)](https://treeallometry.org/equations/gwon-2014-gen-agb/), Gwon et al. 2014: Cryptomeria japonica, South Korea; inputs DBH; 10 trees.
- [Cryptomeria japonica High-density stand aboveground total (log10, Table 4)](https://treeallometry.org/equations/gwon-2014-high-agb/), Gwon et al. 2014: Cryptomeria japonica, South Korea; inputs DBH; 5 trees.
- [Cryptomeria japonica Low-density stand aboveground total (log10, Table 4)](https://treeallometry.org/equations/gwon-2014-low-agb/), Gwon et al. 2014: Cryptomeria japonica, South Korea; inputs DBH; 5 trees.
- [Dahurian larch aboveground biomass from D and H (MS-3) (sum of components, Table 6)](https://treeallometry.org/equations/dong-2018-larch-ms3-agb/), Dong et al. 2018: Larix gmelinii, China; inputs DBH + Height; DBH 1.7–28.4 cm; 138 trees.
- [Dahurian larch aboveground biomass from D only (MS-2) (sum of components, Table 5)](https://treeallometry.org/equations/dong-2018-larch-ms2-agb/), Dong et al. 2018: Larix gmelinii, China; inputs DBH; DBH 1.7–28.4 cm; 138 trees.
- [Desa'a multispecies AGB from DBH (M1)](https://treeallometry.org/equations/tetemke-2019-m1-dbh/), Tetemke et al. 2019: 10 dominant species of Desa'a forest, Ethiopia; inputs DBH; DBH 2.9–45.2 cm; 86 trees.
- [Desa'a multispecies AGB from stump diameter DSH (M9)](https://treeallometry.org/equations/tetemke-2019-m9-dsh/), Tetemke et al. 2019: 10 dominant species of Desa'a forest, Ethiopia; inputs D30; 86 trees.
- [Diostea juncea aboveground dry weight from DAP (Cuadro 2)](https://treeallometry.org/equations/gyenge-2009-agb-retamo-dap/), Gyenge et al. 2009: Diostea juncea, Argentina; inputs DBH; DBH 5.5–15.2 cm; 10 trees.
- [Dipterocarp forests Vietnam, mixed-species AGB from D (M1)](https://treeallometry.org/equations/huy-2016-m1-d/), Huy et al. 2016: Mixed species, dipterocarp forest (26 species), Vietnam; inputs DBH; DBH 3.4–48.8 cm; 222 trees.
- [Dipterocarp forests Vietnam, mixed-species AGB from D and H (M2)](https://treeallometry.org/equations/huy-2016-m2-d-h/), Huy et al. 2016: Mixed species, dipterocarp forest (26 species), Vietnam; inputs DBH + Height; DBH 3.4–48.8 cm; 222 trees.
- [Dipterocarp forests Vietnam, mixed-species AGB from D and wood density (M3)](https://treeallometry.org/equations/huy-2016-m3-d-rho/), Huy et al. 2016: Mixed species, dipterocarp forest (26 species), Vietnam; inputs DBH + Wood density; DBH 3.4–48.8 cm; 222 trees.
- [Dipterocarp forests Vietnam, mixed-species AGB from D, H and wood density (M4, Eq. 17)](https://treeallometry.org/equations/huy-2016-m4-d-h-rho/), Huy et al. 2016: Mixed species, dipterocarp forest (26 species), Vietnam; inputs DBH + Height + Wood density; DBH 3.4–48.8 cm; 222 trees.
- [Dipterocarpus genus, Vietnam, AGB from D (D1, Eq. 18)](https://treeallometry.org/equations/huy-2016-dipterocarpus-d/), Huy et al. 2016: Dipterocarpus, Vietnam; inputs DBH; DBH 4.9–48.8 cm; 94 trees.
- [Dipterocarpus spp., DBH only](https://treeallometry.org/equations/basuki-2009-dipterocarpus-d/), Basuki et al. 2009: Dipterocarpus, Indonesia; inputs DBH; 20 trees.
- [Douglas-fir total aboveground biomass from DBH and height (Table 4)](https://treeallometry.org/equations/poudel-2019-pseudotsuga-menziesii/), Poudel et al. 2019: Pseudotsuga menziesii, United States; inputs DBH + Height; DBH 1.8–114 cm; 424 trees.
- [Douglas-fir total aboveground biomass, simple SUR (D only)](https://treeallometry.org/equations/poudel-2016-df-agb/), Poudel & Temesgen 2016: Pseudotsuga menziesii, United States; inputs DBH; DBH 19.3–114 cm; 22 trees.
- [Dry forest AGB with height (Model I)](https://treeallometry.org/equations/chave-2005-dry-h/), Chave et al. 2005: Tropical broadleaf trees, Pantropical; inputs Wood density + DBH + Height; DBH 5–156 cm.
- [Dry forest AGB without height (Model II)](https://treeallometry.org/equations/chave-2005-dry-noh/), Chave et al. 2005: Tropical broadleaf trees, Pantropical; inputs Wood density + DBH; DBH 5–156 cm.
- [Dry miombo, total AGB, All 44 species (trees and shrubs), D and H](https://treeallometry.org/equations/mwakalukwa-2014-combined-dh/), Mwakalukwa et al. 2014: Trees and shrubs, 44 species, Tanzania; inputs DBH + Height; DBH 1.4–62 cm; 104 trees.
- [Dry miombo, total AGB, All 44 species (trees and shrubs), D only](https://treeallometry.org/equations/mwakalukwa-2014-combined-d/), Mwakalukwa et al. 2014: Trees and shrubs, 44 species, Tanzania; inputs DBH; DBH 1.4–62 cm; 104 trees.
- [Dry miombo, total AGB, All 44 species (trees and shrubs), D, H and wood density](https://treeallometry.org/equations/mwakalukwa-2014-combined-wd/), Mwakalukwa et al. 2014: Trees and shrubs, 44 species, Tanzania; inputs Wood density + DBH + Height; DBH 1.4–62 cm; 104 trees.
- [Dry miombo, total AGB, Brachystegia spiciformis, D and H](https://treeallometry.org/equations/mwakalukwa-2014-b-spiciformis-dh/), Mwakalukwa et al. 2014: Brachystegia spiciformis, Tanzania; inputs DBH + Height; DBH 1.2–54.3 cm; 40 trees.
- [Dry miombo, total AGB, Combretum molle, D and H](https://treeallometry.org/equations/mwakalukwa-2014-c-molle-dh/), Mwakalukwa et al. 2014: Combretum molle, Tanzania; inputs DBH + Height; DBH 2.2–26.5 cm; 41 trees.
- [Dry miombo, total AGB, Dalbergia arbutifolia, D and H](https://treeallometry.org/equations/mwakalukwa-2014-d-arbutifolia-dh/), Mwakalukwa et al. 2014: Dalbergia arbutifolia, Tanzania; inputs DBH + Height; DBH 1.8–21.5 cm; 37 trees.
- [Dry miombo, total AGB, Trees (28 species), D and H](https://treeallometry.org/equations/mwakalukwa-2014-trees-dh/), Mwakalukwa et al. 2014: Trees, 28 species, Tanzania; inputs DBH + Height; DBH 1.4–62 cm; 72 trees.
- [Dry miombo, total AGB, Trees (28 species), D, H and wood density](https://treeallometry.org/equations/mwakalukwa-2014-trees-wd/), Mwakalukwa et al. 2014: Trees, 28 species, Tanzania; inputs Wood density + DBH + Height; DBH 1.4–62 cm; 72 trees.
- [Dry tropical zone AGB from DBH (Eq. 3.2.1)](https://treeallometry.org/equations/brown-1997-dry/), Brown 1997: Tropical broadleaf trees (mixed species), Pantropical; inputs DBH; DBH 5–40 cm; 28 trees.
- [Engelmann spruce total aboveground biomass from DBH and height (Table 4)](https://treeallometry.org/equations/poudel-2019-picea-engelmannii/), Poudel et al. 2019: Picea engelmannii, United States; inputs DBH + Height; DBH 0.7–57.6 cm; 74 trees.
- [Eucalyptus camaldulensis AGB from D](https://treeallometry.org/equations/ounban-2016-euca-agb-d/), Ounban et al. 2016: Eucalyptus camaldulensis, Thailand; inputs DBH; DBH 0.5–19.8 cm; 94 trees.
- [Eucalyptus camaldulensis AGB from D²H](https://treeallometry.org/equations/ounban-2016-euca-agb-d2h/), Ounban et al. 2016: Eucalyptus camaldulensis, Thailand; inputs DBH + Height; DBH 0.5–19.8 cm; 94 trees.
- [Eucalyptus globulus total dry weight from D (Cuadro 2)](https://treeallometry.org/equations/prado-1991-total-d/), Prado Donoso & Alarcón Maya 1991: Eucalyptus globulus subsp. globulus, Chile; inputs DBH; 41 trees.
- [Euphorbia schlechtendalii AGB from dbh (Table 3)](https://treeallometry.org/equations/gomez-2021-e-schlechtendalii/), Gómez et al. 2021: Euphorbia schlechtendalii, Mexico; inputs DBH; DBH 5–16 cm.
- [European beech AGB, Bayesian, Dataset #1, D and H](https://treeallometry.org/equations/dutca-2020-beech-bay1-dh/), Dutcă et al. 2020: Fagus sylvatica, Romania; inputs DBH + Height; DBH 5.7–86.3 cm; 15 trees.
- [European beech AGB, Bayesian, Dataset #1, D only](https://treeallometry.org/equations/dutca-2020-beech-bay1-d/), Dutcă et al. 2020: Fagus sylvatica, Romania; inputs DBH; DBH 5.7–86.3 cm; 15 trees.
- [European beech AGB, Bayesian, Dataset #2, D and H](https://treeallometry.org/equations/dutca-2020-beech-bay2-dh/), Dutcă et al. 2020: Fagus sylvatica, Romania; inputs DBH + Height; DBH 5.7–20 cm; 7 trees.
- [European beech AGB, Bayesian, Dataset #2, D only](https://treeallometry.org/equations/dutca-2020-beech-bay2-d/), Dutcă et al. 2020: Fagus sylvatica, Romania; inputs DBH; DBH 5.7–20 cm; 7 trees.
- [European beech AGB, LM, Dataset #1, D and H](https://treeallometry.org/equations/dutca-2020-beech-lm1-dh/), Dutcă et al. 2020: Fagus sylvatica, Romania; inputs DBH + Height; DBH 5.7–86.3 cm; 15 trees.
- [European beech AGB, LM, Dataset #1, D only](https://treeallometry.org/equations/dutca-2020-beech-lm1-d/), Dutcă et al. 2020: Fagus sylvatica, Romania; inputs DBH; DBH 5.7–86.3 cm; 15 trees.
- [European beech AGB, RIM, Dataset #3, D and H](https://treeallometry.org/equations/dutca-2020-beech-rim3-dh/), Dutcă et al. 2020: Fagus sylvatica, Romania; inputs DBH + Height; DBH 5.2–86.3 cm; 159 trees.
- [European beech AGB, RIM, Dataset #3, D only](https://treeallometry.org/equations/dutca-2020-beech-rim3-d/), Dutcă et al. 2020: Fagus sylvatica, Romania; inputs DBH; DBH 5.2–86.3 cm; 159 trees.
- [European beech AGB, RIM, Dataset #4, D and H](https://treeallometry.org/equations/dutca-2020-beech-rim4-dh/), Dutcă et al. 2020: Fagus sylvatica, Romania; inputs DBH + Height; DBH 5.2–62.1 cm; 151 trees.
- [European beech AGB, RIM, Dataset #4, D only](https://treeallometry.org/equations/dutca-2020-beech-rim4-d/), Dutcă et al. 2020: Fagus sylvatica, Romania; inputs DBH; DBH 5.2–62.1 cm; 151 trees.
- [European general equation, Fagus sylvatica, aboveground, diameter only (Eq. 3)](https://treeallometry.org/equations/forrester-2017-fagus-sylvatica/), Forrester et al. 2017: Fagus sylvatica, Europe (latitude min/mean/max 42.3 / 49.6 / 56 °N); inputs DBH; DBH 1–84 cm.
- [European general equation, Picea abies, aboveground, diameter only (Eq. 3)](https://treeallometry.org/equations/forrester-2017-picea-abies/), Forrester et al. 2017: Picea abies, Europe (latitude min/mean/max 42.7 / 53.5 / 65 °N); inputs DBH; DBH 1–82 cm.
- [European general equation, Pinus sylvestris, aboveground, diameter only (Eq. 3)](https://treeallometry.org/equations/forrester-2017-pinus-sylvestris/), Forrester et al. 2017: Pinus sylvestris, Europe (latitude min/mean/max 44 / 54.7 / 65 °N); inputs DBH; DBH 1–71 cm.
- [European general equation, Populus, aboveground, diameter only (Eq. 3)](https://treeallometry.org/equations/forrester-2017-populus/), Forrester et al. 2017: Populus, Europe (latitude min/mean/max 44.5 / 57.4 / 61 °N); inputs DBH; DBH 0.1–44.7 cm.
- [Euterpe precatoria aboveground mass from D2Hrho](https://treeallometry.org/equations/da-silva-2015-ma-d2hrho/), Da Silva et al. 2015: Euterpe precatoria, Brazil; inputs DBH + Stem height + Wood density; DBH 3.9–12.7 cm; 20 trees.
- [Euterpe precatoria AGB from stem height (linear)](https://treeallometry.org/equations/goodman-2013-euterpe-precatoria/), Goodman et al. 2013: Euterpe precatoria, Peru; inputs Stem height; DBH 12–19 cm; 8 trees.
- [Faidherbia albida in parklands, DBH only (M1, selected)](https://treeallometry.org/equations/darcha-2025-m1-dbh/), Darcha et al. 2025: Faidherbia albida, Ethiopia; inputs DBH; DBH 8–31 cm; 35 trees.
- [Faidherbia albida in parklands, stump-height diameter (M2)](https://treeallometry.org/equations/darcha-2025-m2-d30/), Darcha et al. 2025: Faidherbia albida, Ethiopia; inputs D30; 35 trees.
- [Five-species pooled AGB from dbh (Table 4)](https://treeallometry.org/equations/gomez-2021-all-species/), Gómez et al. 2021: Five tropical dry forest species (Acacia cochliacantha, Conzattia multiflora, Euphorbia schlechtendalii, Ipomoea arborescens, Lysiloma microphyllum), Mexico; inputs DBH; DBH 3.5–32.9 cm; its authors advise against it.
- [Giant sequoia total aboveground biomass from DBH and height (Table 4)](https://treeallometry.org/equations/poudel-2019-sequoiadendron-giganteum/), Poudel et al. 2019: Sequoiadendron giganteum, United States; inputs DBH + Height; DBH 15.9–850.7 cm; 43 trees.
- [Gmelin larch AGB from D and H, unweighted (Table 3)](https://treeallometry.org/equations/altanzagas-2022-agb-gmelinii-dh-n/), Altanzagas et al. 2022: Larix gmelinii, Mongolia; inputs DBH + Height; DBH 8.7–42.6 cm; 15 trees.
- [Gmelin larch AGB from D and H, weighted (Table 3)](https://treeallometry.org/equations/altanzagas-2022-agb-gmelinii-dh-w/), Altanzagas et al. 2022: Larix gmelinii, Mongolia; inputs DBH + Height; DBH 8.7–42.6 cm; 15 trees.
- [Gmelin larch AGB from D²H, unweighted (Table 3)](https://treeallometry.org/equations/altanzagas-2022-agb-gmelinii-d2h-n/), Altanzagas et al. 2022: Larix gmelinii, Mongolia; inputs DBH + Height; DBH 8.7–42.6 cm; 15 trees.
- [Gmelin larch AGB from D²H, weighted (Table 3)](https://treeallometry.org/equations/altanzagas-2022-agb-gmelinii-d2h-w/), Altanzagas et al. 2022: Larix gmelinii, Mongolia; inputs DBH + Height; DBH 8.7–42.6 cm; 15 trees.
- [Gmelin larch AGB from DBH only, unweighted (Table 3)](https://treeallometry.org/equations/altanzagas-2022-agb-gmelinii-d-n/), Altanzagas et al. 2022: Larix gmelinii, Mongolia; inputs DBH; DBH 8.7–42.6 cm; 15 trees.
- [Gmelin larch AGB from DBH only, weighted (Table 3)](https://treeallometry.org/equations/altanzagas-2022-agb-gmelinii-d-w/), Altanzagas et al. 2022: Larix gmelinii, Mongolia; inputs DBH; DBH 8.7–42.6 cm; 15 trees.
- [Grand fir total aboveground biomass from DBH (Table 4)](https://treeallometry.org/equations/poudel-2019-abies-grandis/), Poudel et al. 2019: Abies grandis, United States; inputs DBH; DBH 12.4–84.3 cm; 17 trees.
- [Gray alder, Arkhangelsk: aboveground biomass from D (Table 2)](https://treeallometry.org/equations/karaban-2023-agb-d/), Karaban et al. 2023: Alnus incana, Russia; inputs DBH; DBH 3.6–16.9 cm; 50 trees.
- [Gray alder, European Russia pooled: aboveground biomass from D (Eq. 5)](https://treeallometry.org/equations/karaban-2023-agb-d-pooled/), Karaban et al. 2023: Alnus incana, Russia; inputs DBH.
- [Grevillea robusta on farms, polynomial in DBH (selected model)](https://treeallometry.org/equations/owate-2018-agb-poly/), Owate et al. 2018: Grevillea robusta, Kenya; inputs DBH; DBH 1.5–29.8 cm; 33 trees.
- [Grevillea robusta on farms, power model in DBH](https://treeallometry.org/equations/owate-2018-agb-power/), Owate et al. 2018: Grevillea robusta, Kenya; inputs DBH; DBH 1.5–29.8 cm; 33 trees.
- [Guadua culm AGB from dbh, weighted linear model (Model 2, Table 4)](https://treeallometry.org/equations/camargo-2024-model2-linear/), Camargo García et al. 2024: Guadua angustifolia, Colombia; inputs DBH; 130 trees.
- [Guadua culm AGB from dbh, weighted power model (Model 7, Table 7)](https://treeallometry.org/equations/camargo-2024-model7-power/), Camargo García et al. 2024: Guadua angustifolia, Colombia; inputs DBH; 130 trees.
- [Guadua weberbaueri and G. sarcocarpa culm AGB from DBH (DBH-only model)](https://treeallometry.org/equations/yavit-2017-guadua-dbh/), Yavit 2017: Guadua (G. weberbaueri and G. sarcocarpa), Peru; inputs DBH; DBH 1.8–8.1 cm; 278 trees.
- [Guangzhou subtropical forest aboveground biomass, Model 1 (DBH only)](https://treeallometry.org/equations/zhao-2019-agb-model1/), Zhao et al. 2019: Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China; inputs DBH; DBH 4.2–61.2 cm; 144 trees.
- [Guangzhou subtropical forest aboveground biomass, Model 3 (DBH and height)](https://treeallometry.org/equations/zhao-2019-agb-model3/), Zhao et al. 2019: Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China; inputs DBH + Height; DBH 4.2–61.2 cm; 144 trees.
- [Guangzhou subtropical forest aboveground biomass, Model 5 (DBH and wood density)](https://treeallometry.org/equations/zhao-2019-agb-model5/), Zhao et al. 2019: Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China; inputs DBH + Wood density; DBH 4.2–61.2 cm; 144 trees.
- [High wood density subgroup (LA) AGB from dbh (Table 4)](https://treeallometry.org/equations/gomez-2021-la-group/), Gómez et al. 2021: Lysiloma microphyllum and Acacia cochliacantha (LA subgroup, wood density 0.83 g/cm3), Mexico; inputs DBH.
- [Hoheria populnea, NZ, total aboveground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-hoheria-agb/), Marden et al. 2025: Hoheria populnea, New Zealand; inputs Root collar diameter.
- [Ipomoea arborescens AGB from dbh (Table 3)](https://treeallometry.org/equations/gomez-2021-i-arborescens/), Gómez et al. 2021: Ipomoea arborescens, Mexico; inputs DBH; DBH 8–32.4 cm; 8 trees.
- [Iriartea deltoidea AGB from diameter and stem height](https://treeallometry.org/equations/goodman-2013-iriartea-deltoidea/), Goodman et al. 2013: Iriartea deltoidea, Peru; inputs DBH + Stem height; DBH 6–33 cm; 21 trees.
- [Jatropha mollissima, caatinga, DBH](https://treeallometry.org/equations/sampaio-2005-jatropha-mollissima-dbh/), Sampaio & Silva 2005: Jatropha mollissima, Brazil; inputs DBH; 30 trees.
- [Jatropha mollissima, caatinga, ground-level diameter](https://treeallometry.org/equations/sampaio-2005-jatropha-mollissima-dgl/), Sampaio & Silva 2005: Jatropha mollissima, Brazil; inputs Root collar diameter; 30 trees.
- [Jeffrey pine total aboveground biomass from DBH (Table 4)](https://treeallometry.org/equations/poudel-2019-pinus-jeffreyi/), Poudel et al. 2019: Pinus jeffreyi, United States; inputs DBH; DBH 14.5–43.4 cm; 9 trees.
- [Juniperus deppeana total aboveground biomass](https://treeallometry.org/equations/vargas-larreta-2017-j-deppeana-agb/), Vargas-Larreta et al. 2017: Juniperus deppeana, Mexico; inputs DBH + Height; DBH 10–43.7 cm; 48 trees.
- [Juniperus oxycedrus total aboveground fuel (biomass) from basal diameter, all development states](https://treeallometry.org/equations/deltell-2024-j-oxycedrus-total/), Deltell et al. 2024: Juniperus oxycedrus, Spain; inputs Root collar diameter.
- [Juniperus procera AGB from DBH (M17)](https://treeallometry.org/equations/tetemke-2019-m17-juniperus-dbh/), Tetemke et al. 2019: Juniperus procera, Ethiopia; inputs DBH; DBH 4.2–45.2 cm; 23 trees.
- [Juniperus procera AGB from stump diameter DSH (M18)](https://treeallometry.org/equations/tetemke-2019-m18-juniperus-dsh/), Tetemke et al. 2019: Juniperus procera, Ethiopia; inputs D30; 23 trees.
- [Kalimantan dipterocarp forest AGB, DBH and height (DH3)](https://treeallometry.org/equations/manuri-2016-dh3/), Manuri et al. 2016: Mixed species of dipterocarp forest (80 species), Indonesia; inputs DBH + Height; DBH up to 172 cm; 108 trees.
- [Kalimantan dipterocarp forest AGB, DBH and wood density (DG8)](https://treeallometry.org/equations/manuri-2016-dg8/), Manuri et al. 2016: Mixed species of dipterocarp forest (80 species), Indonesia; inputs DBH + Wood density; DBH up to 172 cm; 108 trees.
- [Kalimantan dipterocarp forest AGB, DBH only (D1)](https://treeallometry.org/equations/manuri-2016-d1/), Manuri et al. 2016: Mixed species of dipterocarp forest (80 species), Indonesia; inputs DBH; DBH up to 172 cm; 108 trees.
- [Kalimantan dipterocarp forest AGB, DBH, wood density and height (DGH9)](https://treeallometry.org/equations/manuri-2016-dgh9/), Manuri et al. 2016: Mixed species of dipterocarp forest (80 species), Indonesia; inputs DBH + Wood density + Height; DBH up to 172 cm; 108 trees.
- [Kintampo woodlands mixed-species AGB, M1: dbh only](https://treeallometry.org/equations/aabeyir-2020-m1/), Aabeyir et al. 2020: 31 woodland tree species harvested for charcoal, Ghana; inputs DBH; DBH 5–48.2 cm; 745 trees.
- [Kintampo woodlands mixed-species AGB, M2: dbh and wood density](https://treeallometry.org/equations/aabeyir-2020-m2/), Aabeyir et al. 2020: 31 woodland tree species harvested for charcoal, Ghana; inputs Wood density + DBH; DBH 5–48.2 cm; 745 trees.
- [Kintampo woodlands mixed-species AGB, M3: dbh and wood density](https://treeallometry.org/equations/aabeyir-2020-m3/), Aabeyir et al. 2020: 31 woodland tree species harvested for charcoal, Ghana; inputs Wood density + DBH; DBH 5–48.2 cm; 745 trees.
- [Kintampo woodlands mixed-species AGB, M4: dbh and height](https://treeallometry.org/equations/aabeyir-2020-m4/), Aabeyir et al. 2020: 31 woodland tree species harvested for charcoal, Ghana; inputs Height + DBH; DBH 5–48.2 cm; 745 trees.
- [Kintampo woodlands mixed-species AGB, M5: dbh and height](https://treeallometry.org/equations/aabeyir-2020-m5/), Aabeyir et al. 2020: 31 woodland tree species harvested for charcoal, Ghana; inputs DBH + Height; DBH 5–48.2 cm; 745 trees.
- [Kintampo woodlands mixed-species AGB, M6 (best model): dbh, height and wood density](https://treeallometry.org/equations/aabeyir-2020-m6/), Aabeyir et al. 2020: 31 woodland tree species harvested for charcoal, Ghana; inputs Wood density + DBH + Height; DBH 5–48.2 cm; 745 trees.
- [Kintampo woodlands mixed-species AGB, M7: dbh, height and wood density](https://treeallometry.org/equations/aabeyir-2020-m7/), Aabeyir et al. 2020: 31 woodland tree species harvested for charcoal, Ghana; inputs Wood density + DBH + Height; DBH 5–48.2 cm; 745 trees.
- [Knightia excelsa, NZ, total aboveground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-knightia-agb/), Marden et al. 2025: Knightia excelsa, New Zealand; inputs Root collar diameter.
- [Korean pine aboveground biomass from D and H (sum of components, System 2)](https://treeallometry.org/equations/dong-2016-korean-pine-sys2-agb/), Dong et al. 2016: Pinus koraiensis, China; inputs DBH + Height; DBH 5.4–33.4 cm; 114 trees.
- [Korean pine aboveground biomass from D only (sum of components, System 1)](https://treeallometry.org/equations/dong-2016-korean-pine-sys1-agb/), Dong et al. 2016: Pinus koraiensis, China; inputs DBH; DBH 5.4–33.4 cm; 114 trees.
- [Larch (Larix gmelinii) aboveground biomass from D and H (sum of components, System 2)](https://treeallometry.org/equations/dong-2016-larch-sys2-agb/), Dong et al. 2016: Larix gmelinii, China; inputs DBH + Height; DBH 7.6–35.7 cm; 90 trees.
- [Larch (Larix gmelinii) aboveground biomass from D only (sum of components, System 1)](https://treeallometry.org/equations/dong-2016-larch-sys1-agb/), Dong et al. 2016: Larix gmelinii, China; inputs DBH; DBH 7.6–35.7 cm; 90 trees.
- [Larch aboveground biomass from DBH and height, AMS2 (stem + branch + foliage)](https://treeallometry.org/equations/dong-2020-ams2-agb-d-h/), Dong et al. 2020: Larix olgensis, China; inputs DBH + Height; DBH 2–35.7 cm; 229 trees.
- [Larch aboveground biomass from DBH, AMS2 (stem + branch + foliage)](https://treeallometry.org/equations/dong-2020-ams2-agb-d/), Dong et al. 2020: Larix olgensis, China; inputs DBH; DBH 2–35.7 cm; 229 trees.
- [Large caatinga species (the six listed after the three small ones), DBH](https://treeallometry.org/equations/sampaio-2005-large-6-dbh/), Sampaio & Silva 2005: Large caatinga species (the six listed after the three small ones), Brazil; inputs DBH.
- [Large caatinga species (the six listed after the three small ones), ground-level diameter](https://treeallometry.org/equations/sampaio-2005-large-6-dgl/), Sampaio & Silva 2005: Large caatinga species (the six listed after the three small ones), Brazil; inputs Root collar diameter.
- [Larix cajanderi, Magadan Oblast, total aboveground biomass from DBH (Table 5)](https://treeallometry.org/equations/delcourt-2022-magadan-agb/), Delcourt & Veraverbeke 2022: Larix cajanderi, Russia; inputs DBH; DBH 3.9–52.8 cm; 43 trees.
- [Larix cajanderi, Ust-Yansky district, total aboveground biomass from DBH (Table 5)](https://treeallometry.org/equations/delcourt-2022-ustyansky-agb/), Delcourt & Veraverbeke 2022: Larix cajanderi, Russia; inputs DBH; DBH 1.8–18.9 cm; 20 trees.
- [Leptospermum scoparium, NZ, total aboveground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-leptospermum-agb/), Marden et al. 2025: Leptospermum scoparium, New Zealand; inputs Root collar diameter.
- [Liriodendron tulipifera Above ground W = a(D^2H)^b (Table 11)](https://treeallometry.org/equations/kang-2016-agb-pow-d2h/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH + Height; DBH 5.9–38.7 cm; 40 trees.
- [Liriodendron tulipifera Above ground W = aD + bD^2 (Table 10)](https://treeallometry.org/equations/kang-2016-agb-quad-d/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH; DBH 5.9–38.7 cm; 40 trees.
- [Liriodendron tulipifera Above ground W = aD^2H (Table 11)](https://treeallometry.org/equations/kang-2016-agb-d2h/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH + Height; DBH 5.9–38.7 cm; 40 trees.
- [Liriodendron tulipifera Above ground W = aD^b (Table 10)](https://treeallometry.org/equations/kang-2016-agb-pow-d/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH; DBH 5.9–38.7 cm; 40 trees.
- [Liriodendron tulipifera Above ground W = aD^b H^c (Table 11)](https://treeallometry.org/equations/kang-2016-agb-pow-dh/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH + Height; DBH 5.9–38.7 cm; 40 trees.
- [Lodgepole pine total aboveground biomass from DBH and height (Table 4)](https://treeallometry.org/equations/poudel-2019-pinus-contorta/), Poudel et al. 2019: Pinus contorta, United States; inputs DBH + Height; DBH 0.9–60 cm; 218 trees.
- [Lodgepole pine total aboveground biomass, simple SUR (D only)](https://treeallometry.org/equations/poudel-2016-lp-agb/), Poudel & Temesgen 2016: Pinus contorta, United States; inputs DBH; DBH 13.5–42.9 cm; 33 trees.
- [Lomatia hirsuta aboveground dry weight from DAP (Cuadro 2)](https://treeallometry.org/equations/gyenge-2009-agb-radal-dap/), Gyenge et al. 2009: Lomatia hirsuta, Argentina; inputs DBH; DBH 4.8–25.4 cm; 8 trees.
- [Longleaf pine above-stump biomass, model 5 (H + ln(H.DBH))](https://treeallometry.org/equations/farias-2019-m5/), Farias et al. 2019: Pinus palustris, United States; inputs Height + DBH; DBH 0.81–54.3 cm; 100 trees.
- [Longleaf pine above-stump biomass, model 9 (DBH + ln(H.DBH))](https://treeallometry.org/equations/farias-2019-m9/), Farias et al. 2019: Pinus palustris, United States; inputs DBH + Height; DBH 0.81–54.3 cm; 100 trees.
- [Lower wood density subgroup (CEI) AGB from dbh (Table 4)](https://treeallometry.org/equations/gomez-2021-cei-group/), Gómez et al. 2021: Conzattia multiflora, Euphorbia schlechtendalii and Ipomoea arborescens (CEI subgroup, lower wood density), Mexico; inputs DBH; its authors advise against it.
- [Lowland Dipterocarp forest, mixed species, DBH and wood density](https://treeallometry.org/equations/basuki-2009-mixed-d-rho/), Basuki et al. 2009: Mixed species of lowland Dipterocarp forest, Indonesia; inputs DBH + Wood density; DBH 6–200 cm; 122 trees.
- [Lowland Dipterocarp forest, mixed species, DBH only](https://treeallometry.org/equations/basuki-2009-mixed-d/), Basuki et al. 2009: Mixed species of lowland Dipterocarp forest, Indonesia; inputs DBH; DBH 6–200 cm; 122 trees.
- [Lysiloma microphyllum AGB from dbh (Table 3)](https://treeallometry.org/equations/gomez-2021-l-microphyllum/), Gómez et al. 2021: Lysiloma microphyllum, Mexico; inputs DBH; DBH 4–32.9 cm; 8 trees.
- [Malawi miombo AGB, DBH and height (Model 2, best AIC)](https://treeallometry.org/equations/kachamba-2016-agb-m2/), Kachamba et al. 2016: Miombo woodland trees, Malawi; inputs DBH + Height; DBH 5.3–111.2 cm; 74 trees.
- [Malawi miombo AGB, DBH and wood density (Model 3)](https://treeallometry.org/equations/kachamba-2016-agb-m3/), Kachamba et al. 2016: Miombo woodland trees, Malawi; inputs DBH + Wood density; DBH 5.3–111.2 cm; 74 trees.
- [Malawi miombo AGB, DBH only (Model 1)](https://treeallometry.org/equations/kachamba-2016-agb-m1/), Kachamba et al. 2016: Miombo woodland trees, Malawi; inputs DBH; DBH 5.3–111.2 cm; 74 trees.
- [Mauritia flexuosa (aguaje) AGB from stem height](https://treeallometry.org/equations/goodman-2013-mauritia-flexuosa/), Goodman et al. 2013: Mauritia flexuosa, Peru; inputs Stem height; DBH 19–36 cm; 16 trees.
- [Mauritiella aculeata AGB from stem height (through origin)](https://treeallometry.org/equations/goodman-2013-mauritiella-aculeata/), Goodman et al. 2013: Mauritiella aculeata, Peru; inputs Stem height; DBH 8–15 cm; 18 trees.
- [Maytenus rigida, caatinga, DBH](https://treeallometry.org/equations/sampaio-2005-maytenus-rigida-dbh/), Sampaio & Silva 2005: Maytenus rigida, Brazil; inputs DBH; 30 trees.
- [Maytenus rigida, caatinga, ground-level diameter](https://treeallometry.org/equations/sampaio-2005-maytenus-rigida-dgl/), Sampaio & Silva 2005: Maytenus rigida, Brazil; inputs Root collar diameter; 30 trees.
- [Maytenus rigida, total aerial dry biomass from ground-level diameter and height (Table 2)](https://treeallometry.org/equations/mendonca-2013-maytenus-rigida/), Mendonça et al. 2013: Maytenus rigida, Brazil; inputs Root collar diameter + Height; 15 trees.
- [Melicytus ramiflorus (Limestone Downs): AGB from D (Table 7)](https://treeallometry.org/equations/wangui-2026-agb-melicytus-ramiflorus-ld-d/), Wangui et al. 2026: Melicytus ramiflorus, New Zealand; inputs Root collar diameter; 9 trees.
- [Mimosa hostilis, caatinga, DBH](https://treeallometry.org/equations/sampaio-2005-mimosa-hostilis-dbh/), Sampaio & Silva 2005: Mimosa hostilis, Brazil; inputs DBH; 30 trees.
- [Mimosa hostilis, caatinga, ground-level diameter](https://treeallometry.org/equations/sampaio-2005-mimosa-hostilis-dgl/), Sampaio & Silva 2005: Mimosa hostilis, Brazil; inputs Root collar diameter; 30 trees.
- [Miombo Lindi AGB from stump diameter](https://treeallometry.org/equations/manyanda-2019-agb-lindi/), Manyanda et al. 2019: Miombo woodland trees (mixed species), Tanzania; inputs D30; 47 trees.
- [Miombo Manyara AGB from stump diameter](https://treeallometry.org/equations/manyanda-2019-agb-manyara/), Manyanda et al. 2019: Miombo woodland trees (mixed species), Tanzania; inputs D30; 40 trees.
- [Miombo mixed-species AGB from DBH, Bayesian (Model 1)](https://treeallometry.org/equations/kuyah-2016-model1-bayes/), Kuyah et al. 2016: 33 miombo woodland tree species, Malawi; inputs DBH; DBH 5.1–105 cm; 88 trees.
- [Miombo mixed-species AGB from DBH, OLS (Model 2)](https://treeallometry.org/equations/kuyah-2016-model2-ols/), Kuyah et al. 2016: 33 miombo woodland tree species, Malawi; inputs DBH; DBH 5.1–105 cm; 88 trees.
- [Miombo Regional AGB from stump diameter](https://treeallometry.org/equations/manyanda-2019-agb-regional/), Manyanda et al. 2019: Miombo woodland trees (mixed species), Tanzania; inputs D30; 127 trees.
- [Miombo stem biomass (trunk and branches), DBH only](https://treeallometry.org/equations/ryan-2011-stem/), Ryan et al. 2011: Miombo woodland trees, Mozambique; inputs DBH; DBH 5–73 cm; 29 trees.
- [Miombo Tabora AGB from stump diameter](https://treeallometry.org/equations/manyanda-2019-agb-tabora/), Manyanda et al. 2019: Miombo woodland trees (mixed species), Tanzania; inputs D30; 40 trees.
- [Mixed Andean restoration plantation AGB from DBH and wood density (general)](https://treeallometry.org/equations/giraldo-salazar-2025-general/), Giraldo-Salazar et al. 2025: Mixed native species in restoration plantations (16 species, six main), Colombia; inputs DBH + Wood density; DBH 2.2–32.45 cm; 144 trees.
- [Mixed mangrove total aboveground biomass, power model (D)](https://treeallometry.org/equations/abdul-hamid-2022-total-d/), Abdul-Hamid et al. 2022: Seven mangrove species (Bruguiera cylindrica, B. parviflora, B. sexangula, Ceriops tagal, Rhizophora apiculata, R. mucronata, Xylocarpus granatum), Malaysia; inputs DBH; DBH 9–33 cm; 15 trees.
- [Mixed mangrove total aboveground biomass, power model (D^2 H)](https://treeallometry.org/equations/abdul-hamid-2022-total-d2h/), Abdul-Hamid et al. 2022: Seven mangrove species (Bruguiera cylindrica, B. parviflora, B. sexangula, Ceriops tagal, Rhizophora apiculata, R. mucronata, Xylocarpus granatum), Malaysia; inputs DBH + Height; DBH 9–33 cm; 15 trees.
- [Moist forest AGB with height (Model I)](https://treeallometry.org/equations/chave-2005-moist-h/), Chave et al. 2005: Tropical broadleaf trees, Pantropical; inputs Wood density + DBH + Height; DBH 5–156 cm.
- [Moist forest AGB without height (Model II)](https://treeallometry.org/equations/chave-2005-moist-noh/), Chave et al. 2005: Tropical broadleaf trees, Pantropical; inputs Wood density + DBH; DBH 5–156 cm.
- [Moist mangrove AGB without height (Model II)](https://treeallometry.org/equations/chave-2005-mangrove-noh/), Chave et al. 2005: Mangrove trees (mixed species), Pantropical; inputs Wood density + DBH; DBH 5–156 cm.
- [Moist tropical zone AGB, power law (Eq. 3.2.4)](https://treeallometry.org/equations/brown-1997-moist-power/), Brown 1997: Tropical broadleaf trees (mixed species), Pantropical; inputs DBH; DBH 5–148 cm; 170 trees.
- [Moist tropical zone AGB, quadratic (Eq. 3.2.3)](https://treeallometry.org/equations/brown-1997-moist-quadratic/), Brown 1997: Tropical broadleaf trees (mixed species), Pantropical; inputs DBH; DBH 5–148 cm; 170 trees.
- [Mongolian pine (Pinus sylvestris var. mongolica) aboveground biomass from D and H (sum of components, System 2)](https://treeallometry.org/equations/dong-2016-mongolian-pine-sys2-agb/), Dong et al. 2016: Pinus sylvestris var. mongolica, China; inputs DBH + Height; DBH 6–38.7 cm; 85 trees.
- [Mongolian pine (Pinus sylvestris var. mongolica) aboveground biomass from D only (sum of components, System 1)](https://treeallometry.org/equations/dong-2016-mongolian-pine-sys1-agb/), Dong et al. 2016: Pinus sylvestris var. mongolica, China; inputs DBH; DBH 6–38.7 cm; 85 trees.
- [Mongolian pine plantation aboveground biomass (stem+branch+foliage), Mu Us (Table 3)](https://treeallometry.org/equations/siqing-2022-agb/), Siqing et al. 2022: Pinus sylvestris var. mongolica, China; inputs DBH + Height; DBH 2.4–44.2 cm; 131 trees.
- [Montanoa quadrangularis AGB, DBH and height (13-year restoration plantation)](https://treeallometry.org/equations/giraldo-salazar-2025-montanoa/), Giraldo-Salazar et al. 2025: Montanoa quadrangularis, Colombia; inputs DBH + Height; DBH 5.8–22.35 cm; 20 trees.
- [Mopane total AGB from D (TM1)](https://treeallometry.org/equations/lisboa-2025-tm1-d/), Lisboa et al. 2025: Colophospermum mopane, Mozambique; inputs DBH; DBH 5–109 cm; 120 trees.
- [Mopane total AGB from D and H (TM2)](https://treeallometry.org/equations/lisboa-2025-tm2-d-h/), Lisboa et al. 2025: Colophospermum mopane, Mozambique; inputs DBH + Height; DBH 5–109 cm; 120 trees.
- [Mopane total AGB from D²H (TM3)](https://treeallometry.org/equations/lisboa-2025-tm3-d2h/), Lisboa et al. 2025: Colophospermum mopane, Mozambique; inputs DBH + Height; DBH 5–109 cm; 120 trees.
- [Mountain hemlock total aboveground biomass from DBH (Table 4)](https://treeallometry.org/equations/poudel-2019-tsuga-mertensiana/), Poudel et al. 2019: Tsuga mertensiana, United States; inputs DBH; DBH 13.5–76.2 cm; 9 trees.
- [Myracrodruon urundeuva, caatinga, DBH](https://treeallometry.org/equations/sampaio-2005-myracrodruon-urundeuva-dbh/), Sampaio & Silva 2005: Myracrodruon urundeuva, Brazil; inputs DBH; 30 trees.
- [Myracrodruon urundeuva, caatinga, ground-level diameter](https://treeallometry.org/equations/sampaio-2005-myracrodruon-urundeuva-dgl/), Sampaio & Silva 2005: Myracrodruon urundeuva, Brazil; inputs Root collar diameter; 30 trees.
- [Myrsine australis, NZ, total aboveground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-myrsine-agb/), Marden et al. 2025: Myrsine australis, New Zealand; inputs Root collar diameter.
- [Native shrubs NZ (3 spp, all sites): AGB from D (Table 7)](https://treeallometry.org/equations/wangui-2026-agb-gen-all-d/), Wangui et al. 2026: Coprosma robusta, Pittosporum crassifolium and Melicytus ramiflorus (generalized), New Zealand; inputs Root collar diameter; 54 trees.
- [Native shrubs NZ (3 spp, Massey University): AGB from D and H (Table 7)](https://treeallometry.org/equations/wangui-2026-agb-gen-massey-d-h/), Wangui et al. 2026: Coprosma robusta, Pittosporum crassifolium and Melicytus ramiflorus (generalized), New Zealand; inputs Root collar diameter + Height; 19 trees.
- [Natural larch aboveground biomass from dbh and h (Table 5, with CF)](https://treeallometry.org/equations/meng-2019-agb/), Meng et al. 2019: Larix gmelinii, China; inputs DBH + Height; DBH 3.2–52 cm; 58 trees.
- [NE India mixed-forest AGB from DBH, power law (Model 1, second best)](https://treeallometry.org/equations/nath-2019-model1/), Nath et al. 2019: Dominant tree species of four NE Indian forest types; inputs DBH; DBH 10.1–90 cm; 303 trees.
- [Nine caatinga species, all but Cereus jamacaru, DBH](https://treeallometry.org/equations/sampaio-2005-all-9-dbh/), Sampaio & Silva 2005: Nine caatinga species, all but Cereus jamacaru, Brazil; inputs DBH; DBH 2–50 cm.
- [Nine caatinga species, all but Cereus jamacaru, ground-level diameter](https://treeallometry.org/equations/sampaio-2005-all-9-dgl/), Sampaio & Silva 2005: Nine caatinga species, all but Cereus jamacaru, Brazil; inputs Root collar diameter.
- [Nine caatinga species, DBH x height](https://treeallometry.org/equations/sampaio-2005-all-9-dbh-h/), Sampaio & Silva 2005: Nine caatinga species, all but Cereus jamacaru, Brazil; inputs DBH + Height.
- [Nine caatinga species, DGL x height](https://treeallometry.org/equations/sampaio-2005-all-9-dgl-h/), Sampaio & Silva 2005: Nine caatinga species, all but Cereus jamacaru, Brazil; inputs Root collar diameter + Height.
- [North American taxa group: Cornaceae/Ericaceae/Lauraceae/Platanaceae/Rosaceae/Ulmaceae (Table 5)](https://treeallometry.org/equations/chojnacky-2014-mixed-hardwood/), Chojnacky et al. 2014: Cornaceae, Ericaceae, Lauraceae, Platanaceae, Rosaceae and Ulmaceae (mixed hardwood group), United States; inputs DBH; DBH 3–64 cm.
- [North American taxa group: Fagaceae, deciduous (Table 5)](https://treeallometry.org/equations/chojnacky-2014-fagaceae-deciduous/), Chojnacky et al. 2014: Fagaceae, United States; inputs DBH; DBH 3–89 cm.
- [North American taxa group: Hamamelidaceae (Table 5)](https://treeallometry.org/equations/chojnacky-2014-hamamelidaceae/), Chojnacky et al. 2014: Hamamelidaceae, United States; inputs DBH; DBH 3–53 cm.
- [North American taxa group: Magnoliaceae (Table 5)](https://treeallometry.org/equations/chojnacky-2014-magnoliaceae/), Chojnacky et al. 2014: Magnoliaceae, United States; inputs DBH; DBH 3–65 cm.
- [North American taxa group: Pinus ≥ 0.45 spg (Table 5)](https://treeallometry.org/equations/chojnacky-2014-pinus-spg-ge-045/), Chojnacky et al. 2014: Pinus, United States; inputs DBH; DBH 3–56 cm.
- [North American taxa group: Salicaceae < 0.35 spg (Table 5)](https://treeallometry.org/equations/chojnacky-2014-salicaceae-spg-lt-035/), Chojnacky et al. 2014: Salicaceae, United States; inputs DBH; DBH 3–53 cm.
- [North American taxa group: Salicaceae ≥ 0.35 spg (Table 5)](https://treeallometry.org/equations/chojnacky-2014-salicaceae-spg-ge-035/), Chojnacky et al. 2014: Salicaceae, United States; inputs DBH; DBH 3–70 cm.
- [Norway spruce aboveground biomass, young dense stands, N Sweden (Table 5)](https://treeallometry.org/equations/repola-2014-agb-spruce/), Repola & Ahnlund Ulvcrona 2014: Picea abies, Sweden; inputs DBH; DBH 1–21 cm; 68 trees.
- [Norway spruce total above-ground biomass, Model 1c (Eq. 17)](https://treeallometry.org/equations/repola-2009-picea-abies-total/), Repola 2009: Picea abies, Finland; inputs DBH + Height; 166 trees.
- [Norway spruce, Czech Republic: Total aboveground biomass from D (Table 2)](https://treeallometry.org/equations/cihak-2018-agb-d/), Čihák & Vejpustková 2018: Picea abies, Czechia; inputs DBH; 139 trees.
- [Norway spruce, Czech Republic: Total aboveground biomass from D and H/D (Table 2)](https://treeallometry.org/equations/cihak-2018-agb-d-hd/), Čihák & Vejpustková 2018: Picea abies, Czechia; inputs DBH + Height; 139 trees.
- [Nothofagus antarctica aboveground dry weight from DAP (Cuadro 1)](https://treeallometry.org/equations/gyenge-2009-agb-nire-dap/), Gyenge et al. 2009: Nothofagus antarctica, Argentina; inputs DBH; 10 trees.
- [NSVB white oak, Hot Continental Mountains (M220), segmented model, D < 11 in (27.94 cm)](https://treeallometry.org/equations/westfall-2024-quercus-alba-m220-small/), Westfall et al. 2024: Quercus alba, United States; inputs DBH + Height; DBH up to 27.94 cm.
- [NSVB white oak, Hot Continental Mountains (M220), segmented model, D ≥ 11 in (27.94 cm)](https://treeallometry.org/equations/westfall-2024-quercus-alba-m220-large/), Westfall et al. 2024: Quercus alba, United States; inputs DBH + Height; DBH from 27.94 cm.
- [NZ shrubland shrubs and small trees, dry weight from basal area x height](https://treeallometry.org/equations/mason-2014-agb/), Mason et al. 2014: Shrubland shrubs and small trees, all species (Kunzea ericoides, Leptospermum scoparium, Ulex europaeus, Cytisus scoparius and others), New Zealand; inputs Root collar diameter + Height; 162 trees.
- [Oak aboveground biomass (compatible total-biomass system)](https://treeallometry.org/equations/du-2026-oak-agb/), Du et al. 2026: Quercus, China; inputs DBH + Height; DBH 3.5–38.9 cm; 157 trees.
- [Oak aboveground biomass from D, additive system 1 (Table 4)](https://treeallometry.org/equations/meng-2021-agb-d/), Meng et al. 2021: Quercus (Q. mongolica and Q. wutaishanica), China; inputs DBH; DBH 1.5–33 cm; 159 trees.
- [Oenocarpus bataua AGB from stem height](https://treeallometry.org/equations/goodman-2013-oenocarpus-bataua/), Goodman et al. 2013: Oenocarpus bataua, Peru; inputs Stem height; DBH 21–41 cm; 10 trees.
- [Olea europaea AGB from DBH (M19)](https://treeallometry.org/equations/tetemke-2019-m19-olea-dbh/), Tetemke et al. 2019: Olea europaea subsp. cuspidata, Ethiopia; inputs DBH; DBH 4.6–41.2 cm; 16 trees.
- [Olea europaea AGB from stump diameter DSH (M20)](https://treeallometry.org/equations/tetemke-2019-m20-olea-dsh/), Tetemke et al. 2019: Olea europaea subsp. cuspidata, Ethiopia; inputs D30; 16 trees.
- [Oneseed juniper AGB from equivalent stem diameter (dry field measurement)](https://treeallometry.org/equations/cunliffe-2020-esd-dry/), Cunliffe et al. 2020: Juniperus monosperma, United States; inputs Root collar diameter; DBH 3.3–47.2 cm; 15 trees.
- [Oneseed juniper AGB from equivalent stem diameter (wet field measurement)](https://treeallometry.org/equations/cunliffe-2020-esd-wet/), Cunliffe et al. 2020: Juniperus monosperma, United States; inputs Root collar diameter; DBH 5.2–48.5 cm; 15 trees.
- [Oneseed juniper AGB from maximum canopy height](https://treeallometry.org/equations/cunliffe-2020-hmax/), Cunliffe et al. 2020: Juniperus monosperma, United States; inputs Height; 18 trees.
- [Pacific silver fir total aboveground biomass from DBH and height (Table 4)](https://treeallometry.org/equations/poudel-2019-abies-amabilis/), Poudel et al. 2019: Abies amabilis, United States; inputs DBH + Height; DBH 4.5–90.4 cm; 37 trees.
- [Pan moist tropical AGB from D²H (Table 4, model 3)](https://treeallometry.org/equations/djomo-2010-pan-d2h/), Djomo et al. 2010: Mixed species, pan moist tropical forests (Campo-Ma'an plus data from Asia and South America), Pantropical; inputs DBH + Height; DBH 1–138 cm; 274 trees.
- [Pan moist tropical AGB from DBH (Table 4, model 2)](https://treeallometry.org/equations/djomo-2010-pan-d/), Djomo et al. 2010: Mixed species, pan moist tropical forests (Campo-Ma'an plus data from Asia and South America), Pantropical; inputs DBH; DBH 1–148 cm; 443 trees.
- [Pan moist tropical AGB from DBH, height and wood density (Table 4, model 5)](https://treeallometry.org/equations/djomo-2010-pan-d-d2h-rho/), Djomo et al. 2010: Mixed species, pan moist tropical forests (Campo-Ma'an plus data from Asia and South America), Pantropical; inputs DBH + Height + Wood density; DBH 1–138 cm; 274 trees.
- [Pantropical AGB with height (Eq. 4)](https://treeallometry.org/equations/chave-2014-eq4/), Chave et al. 2014: Tropical trees (58 sites), Pantropical; inputs Wood density + DBH + Height; DBH 5–212 cm; 4,004 trees.
- [Pantropical AGB with height, exponent fixed at 1 (Eq. 5)](https://treeallometry.org/equations/chave-2014-eq5/), Chave et al. 2014: Tropical trees (58 sites), Pantropical; inputs Wood density + DBH + Height; DBH 5–212 cm; 4,004 trees.
- [Pantropical AGB without height, with stress index E (Eq. 7)](https://treeallometry.org/equations/chave-2014-eq7/), Chave et al. 2014: Tropical trees (58 sites), Pantropical; inputs E + Wood density + DBH; DBH 5–212 cm; 4,004 trees.
- [Paper birch total aboveground biomass from DBH (Table 4)](https://treeallometry.org/equations/poudel-2019-betula-papyrifera/), Poudel et al. 2019: Betula papyrifera, United States; inputs DBH; DBH 4.7–30.6 cm; 23 trees.
- [Parque Cerrado, total aboveground biomass as stem + crown, simultaneous WNSUR system (Table 4)](https://treeallometry.org/equations/santana-2021-agb-wnsur/), Santana et al. 2021: Parque Cerrado tree species (mixed), Brazil; inputs DBH + Height; 97 trees.
- [Parque Cerrado, total aboveground biomass, independent fit (Table 2)](https://treeallometry.org/equations/santana-2021-agb-independent/), Santana et al. 2021: Parque Cerrado tree species (mixed), Brazil; inputs DBH + Height; 97 trees.
- [Pinus brutia total biomass, Lebanon (Eq. 37)](https://treeallometry.org/equations/de-miguel-2014-lebanon-total-37/), de-Miguel et al. 2014: Pinus brutia, Lebanon; inputs DBH + Height; 101 trees.
- [Pinus brutia total biomass, Lebanon (Eq. 38)](https://treeallometry.org/equations/de-miguel-2014-lebanon-total-38/), de-Miguel et al. 2014: Pinus brutia, Lebanon; inputs DBH; 101 trees.
- [Pinus brutia total biomass, Middle East (Eq. 47)](https://treeallometry.org/equations/de-miguel-2014-middle-east-total-47/), de-Miguel et al. 2014: Pinus brutia, Syria, Lebanon; inputs DBH; DBH 2.3–55.8 cm; 201 trees.
- [Pinus brutia total biomass, Syria (Eq. 27)](https://treeallometry.org/equations/de-miguel-2014-syria-total-27/), de-Miguel et al. 2014: Pinus brutia, Syria; inputs DBH + Height; 100 trees.
- [Pinus brutia total biomass, Syria (Eq. 28)](https://treeallometry.org/equations/de-miguel-2014-syria-total-28/), de-Miguel et al. 2014: Pinus brutia, Syria; inputs DBH; 100 trees.
- [Pinus caribaea total aboveground biomass, sum of simultaneous component models](https://treeallometry.org/equations/coutinho-2018-total-sur/), Coutinho et al. 2018: Pinus caribaea var. hondurensis, Brazil; inputs DBH + Height + Wood density; DBH 8.2–23.7 cm; 20 trees.
- [Pinus cembroides total aboveground biomass from DBH (quadratic in ln D)](https://treeallometry.org/equations/marroquin-2018-cembroides-agb/), Marroquín Morales et al. 2018: Pinus cembroides Zucc., Mexico; inputs DBH; DBH 6.1–11 cm; 50 trees.
- [Pinus cembroides, additive system S2 (D and H): total aboveground biomass (sum of components)](https://treeallometry.org/equations/cuevas-2020-s2-agb/), Cuevas Cruz & Aquino Ramírez 2020: Pinus cembroides Zucc., Mexico; inputs DBH + Height; DBH 3–40 cm; 21 trees.
- [Pinus cooperi total aboveground biomass](https://treeallometry.org/equations/vargas-larreta-2017-p-cooperi-agb/), Vargas-Larreta et al. 2017: Pinus cooperi, Mexico; inputs DBH + Height; DBH 5.5–52.3 cm; 103 trees.
- [Pinus douglasiana and Pinus michoacana total aboveground biomass](https://treeallometry.org/equations/vargas-larreta-2017-p-douglasiana-michoacana-agb/), Vargas-Larreta et al. 2017: Pinus douglasiana and Pinus michoacana (data combined), Mexico; inputs DBH.
- [Pinus durangensis total aboveground biomass](https://treeallometry.org/equations/vargas-larreta-2017-p-durangensis-agb/), Vargas-Larreta et al. 2017: Pinus durangensis, Mexico; inputs DBH + Height; DBH 8.7–44.5 cm; 130 trees.
- [Pinus engelmannii total aboveground biomass](https://treeallometry.org/equations/vargas-larreta-2017-p-engelmannii-agb/), Vargas-Larreta et al. 2017: Pinus engelmannii, Mexico; inputs DBH + Height; DBH 6.5–51.8 cm; 89 trees.
- [Pinus halepensis total aboveground biomass from DBH and height (combined variable)](https://treeallometry.org/equations/marroquin-2018-halepensis-agb/), Marroquín Morales et al. 2018: Pinus halepensis Mill., Mexico; inputs DBH + Height; DBH 6.9–22.8 cm; 50 trees.
- [Pinus halepensis total aboveground fuel (biomass) from basal diameter, all development states](https://treeallometry.org/equations/deltell-2024-p-halepensis-total/), Deltell et al. 2024: Pinus halepensis, Spain; inputs Root collar diameter.
- [Pinus herrerae total aboveground biomass](https://treeallometry.org/equations/vargas-larreta-2017-p-herrerae-agb/), Vargas-Larreta et al. 2017: Pinus herrerae, Mexico; inputs DBH; DBH 5–46.4 cm; 97 trees.
- [Pinus leiophylla total aboveground biomass](https://treeallometry.org/equations/vargas-larreta-2017-p-leiophylla-agb/), Vargas-Larreta et al. 2017: Pinus leiophylla, Mexico; inputs DBH + Height; DBH 8.4–55.3 cm; 84 trees.
- [Pinus lumholtzii total aboveground biomass](https://treeallometry.org/equations/vargas-larreta-2017-p-lumholtzii-agb/), Vargas-Larreta et al. 2017: Pinus lumholtzii, Mexico; inputs DBH; DBH 5–42 cm; 35 trees.
- [Pinus oocarpa total aboveground biomass](https://treeallometry.org/equations/vargas-larreta-2017-p-oocarpa-agb/), Vargas-Larreta et al. 2017: Pinus oocarpa, Mexico; inputs DBH + Height; DBH 7.5–35.7 cm; 37 trees.
- [Pinus oocarpa, power model, D only (model 1)](https://treeallometry.org/equations/navarro-2020-p-oocarpa-m1/), Navarro-Martínez et al. 2020: Pinus oocarpa Schiede, Mexico; inputs DBH; DBH 12.5–82 cm; 33 trees.
- [Pinus oocarpa, power model, D²H (model 2)](https://treeallometry.org/equations/navarro-2020-p-oocarpa-m2/), Navarro-Martínez et al. 2020: Pinus oocarpa Schiede, Mexico; inputs DBH + Height; DBH 12.5–82 cm; 33 trees.
- [Pinus patula total aboveground biomass from DBH (Tlaxco, Tlaxcala)](https://treeallometry.org/equations/diaz-franco-2007-pinus-patula-agb/), Díaz-Franco et al. 2007: Pinus patula Schl. et Cham., Mexico; inputs DBH; DBH 6.7–64.1 cm; 25 trees.
- [Pinus radiata total tree dry weight from DBHOB (Eq. 6, Table 4)](https://treeallometry.org/equations/wang-2017-dry-agb-d/), Wang et al. 2017: Pinus radiata, Australia; inputs DBH; DBH 18–70.1 cm; 239 trees.
- [Pinus radiata total tree dry weight from DBHOB and height (Eq. 8, Table 4)](https://treeallometry.org/equations/wang-2017-dry-agb-dh/), Wang et al. 2017: Pinus radiata, Australia; inputs DBH + Height; DBH 18–70.1 cm; 239 trees.
- [Pinus strobiformis total aboveground biomass](https://treeallometry.org/equations/vargas-larreta-2017-p-strobiformis-agb/), Vargas-Larreta et al. 2017: Pinus strobiformis, Mexico; inputs DBH + Height; DBH 5–49 cm; 98 trees.
- [Pinus sylvestris total aboveground biomass vs DBH (Eq. 4), forest-swamp, Middle Urals](https://treeallometry.org/equations/petrova-2026-pine-agb/), Petrova et al. 2026: Pinus sylvestris, Russia; inputs DBH; DBH 2.4–21.3 cm; 12 trees.
- [Pinus teocote total aboveground biomass](https://treeallometry.org/equations/vargas-larreta-2017-p-teocote-agb/), Vargas-Larreta et al. 2017: Pinus teocote, Mexico; inputs DBH + Height; DBH 10–45 cm; 81 trees.
- [Pinus total aboveground biomass](https://treeallometry.org/equations/vargas-larreta-2017-all-pines-agb/), Vargas-Larreta et al. 2017: Pinus, Mexico; inputs DBH + Height.
- [Piscidia piscipula, additive system S1 (D and H, Eq. 3-6): total aboveground biomass (sum of components)](https://treeallometry.org/equations/cuevas-2022-s1-agb/), Cuevas Cruz et al. 2022: Piscidia piscipula (L.) Sarg., Mexico; inputs DBH + Height; DBH 5.7–55 cm; 17 trees.
- [Piscidia piscipula, additive system S2 (D²H, Eq. 7-10): total aboveground biomass (sum of components)](https://treeallometry.org/equations/cuevas-2022-s2-agb/), Cuevas Cruz et al. 2022: Piscidia piscipula (L.) Sarg., Mexico; inputs DBH + Height; DBH 5.7–55 cm; 17 trees.
- [Pittosporum crassifolium (Massey University): AGB from D and H (Table 7)](https://treeallometry.org/equations/wangui-2026-agb-pittosporum-crassifolium-massey-d-h/), Wangui et al. 2026: Pittosporum crassifolium, New Zealand; inputs Root collar diameter + Height; 5 trees.
- [Pittosporum eugenoides, NZ, total aboveground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-piteug-agb/), Marden et al. 2025: Pittosporum eugenoides, New Zealand; inputs Root collar diameter.
- [Pittosporum tenuifolium, NZ, total aboveground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-pitten-agb/), Marden et al. 2025: Pittosporum tenuifolium, New Zealand; inputs Root collar diameter.
- [Plagianthus regius, NZ, total aboveground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-plagianthus-agb/), Marden et al. 2025: Plagianthus regius, New Zealand; inputs Root collar diameter.
- [Planted Acacia mangium, West Java, aboveground biomass from D, 10-year stand (model A)](https://treeallometry.org/equations/miyakuni-2004-agb-a-10yr/), Miyakuni et al. 2004: Acacia mangium, Indonesia; inputs DBH; 16 trees.
- [Planted Acacia mangium, West Java, aboveground biomass from D, 3-year stand (model A)](https://treeallometry.org/equations/miyakuni-2004-agb-a-3yr/), Miyakuni et al. 2004: Acacia mangium, Indonesia; inputs DBH; 15 trees.
- [Planted Acacia mangium, West Java, aboveground biomass from D, 5-year stand (model A)](https://treeallometry.org/equations/miyakuni-2004-agb-a-5yr/), Miyakuni et al. 2004: Acacia mangium, Indonesia; inputs DBH; 12 trees.
- [Planted Acacia mangium, West Java, aboveground biomass from D, 8-year stand (model A)](https://treeallometry.org/equations/miyakuni-2004-agb-a-8yr/), Miyakuni et al. 2004: Acacia mangium, Indonesia; inputs DBH; 16 trees.
- [Planted Acacia mangium, West Java, aboveground biomass from D, all ages (model B)](https://treeallometry.org/equations/miyakuni-2004-agb-b-all-ages/), Miyakuni et al. 2004: Acacia mangium, Indonesia; inputs DBH; 59 trees.
- [Polylepis incana AGB from DBH (Tabla 4, power form)](https://treeallometry.org/equations/ramirez-pelaez-2018-polylepis-incana/), Ramírez Apolinario & Peláez Peláez 2018: Polylepis incana, Peru; inputs DBH; DBH 5–20 cm; 15 trees.
- [Polylepis racemosa AGB from stem diameter at 50 cm (model 6)](https://treeallometry.org/equations/herrera-vasquez-2022-polylepis-racemosa/), Herrera Vásquez 2022: Polylepis racemosa, Peru; inputs D50; 11 trees.
- [Polylepis sericea AGB from DBH (Tabla 4, power form)](https://treeallometry.org/equations/ramirez-pelaez-2018-polylepis-sericea/), Ramírez Apolinario & Peláez Peláez 2018: Polylepis sericea, Peru; inputs DBH; DBH 5–20 cm; 15 trees.
- [Ponderosa pine total aboveground biomass from DBH and height (Table 4)](https://treeallometry.org/equations/poudel-2019-pinus-ponderosa/), Poudel et al. 2019: Pinus ponderosa, United States; inputs DBH + Height; DBH 0.8–63 cm; 158 trees.
- [Poplar aboveground biomass (compatible total-biomass system)](https://treeallometry.org/equations/du-2026-poplar-agb/), Du et al. 2026: Populus, China; inputs DBH + Height; DBH 2.2–37.9 cm; 150 trees.
- [Pruned Faidherbia albida total wood mass from D and H (Eq. 3.6)](https://treeallometry.org/equations/ambomo-tsanga-2026-tdwb-dh/), Ambomo Tsanga et al. 2026: Faidherbia albida, Cameroon; inputs DBH + Height; 18 trees.
- [Pruned Faidherbia albida total wood mass from D²H (Eq. 3.5)](https://treeallometry.org/equations/ambomo-tsanga-2026-tdwb-d2h/), Ambomo Tsanga et al. 2026: Faidherbia albida, Cameroon; inputs DBH + Height; 18 trees.
- [Pruned Faidherbia albida total wood mass from DBH (Eq. 3.7)](https://treeallometry.org/equations/ambomo-tsanga-2026-tdwb-d/), Ambomo Tsanga et al. 2026: Faidherbia albida, Cameroon; inputs DBH; 18 trees.
- [Pseudopanax arboreus, NZ, total aboveground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-pseudopanax-agb/), Marden et al. 2025: Pseudopanax arboreus, New Zealand; inputs Root collar diameter.
- [Quaking aspen total aboveground biomass from DBH and height (Table 4)](https://treeallometry.org/equations/poudel-2019-populus-tremuloides/), Poudel et al. 2019: Populus tremuloides, United States; inputs DBH + Height; DBH 6–34.8 cm; 26 trees.
- [Quercus candicans: total aboveground biomass (sum of components)](https://treeallometry.org/equations/cortes-sanchez-2019-candicans-agb/), Cortés-Sánchez et al. 2019: Quercus candicans Née, Mexico; inputs DBH + Height; DBH 6.6–41.6 cm; 30 trees.
- [Quercus cerris AGB, Bushtrice site (DBH and height, Table 6)](https://treeallometry.org/equations/istrefi-2018-bushtrice-dbh-h/), Istrefi et al. 2018: Quercus cerris, Albania; inputs DBH + Height; DBH 4.5–13.5 cm; 9 trees.
- [Quercus cerris AGB, Bushtrice site (DBH squared and height, Table 6)](https://treeallometry.org/equations/istrefi-2018-bushtrice-dbh2-h/), Istrefi et al. 2018: Quercus cerris, Albania; inputs DBH + Height; DBH 4.5–13.5 cm; 9 trees.
- [Quercus cerris AGB, Bushtrice site (DBH, Table 4)](https://treeallometry.org/equations/istrefi-2018-bushtrice-dbh/), Istrefi et al. 2018: Quercus cerris, Albania; inputs DBH; DBH 4.5–13.5 cm; 9 trees.
- [Quercus cerris AGB, Bushtrice site (height, Table 5)](https://treeallometry.org/equations/istrefi-2018-bushtrice-h/), Istrefi et al. 2018: Quercus cerris, Albania; inputs Height; DBH 4.5–13.5 cm; 9 trees.
- [Quercus cerris AGB, Melan site (DBH, Table 4)](https://treeallometry.org/equations/istrefi-2018-melan-dbh/), Istrefi et al. 2018: Quercus cerris, Albania; inputs DBH; DBH 2–15 cm; 8 trees.
- [Quercus cerris AGB, Melan site (height, Table 5)](https://treeallometry.org/equations/istrefi-2018-melan-h/), Istrefi et al. 2018: Quercus cerris, Albania; inputs Height; DBH 2–15 cm; 8 trees.
- [Quercus cerris AGB, Paper site (DBH and height, Table 6)](https://treeallometry.org/equations/istrefi-2018-paper-dbh-h/), Istrefi et al. 2018: Quercus cerris, Albania; inputs DBH + Height; DBH 3–30 cm; 12 trees.
- [Quercus cerris AGB, Paper site (DBH squared and height, Table 6)](https://treeallometry.org/equations/istrefi-2018-paper-dbh2-h/), Istrefi et al. 2018: Quercus cerris, Albania; inputs DBH + Height; DBH 3–30 cm; 12 trees.
- [Quercus cerris AGB, Paper site (DBH, Table 4)](https://treeallometry.org/equations/istrefi-2018-paper-dbh/), Istrefi et al. 2018: Quercus cerris, Albania; inputs DBH; DBH 3–30 cm; 12 trees.
- [Quercus cerris AGB, Paper site (height, Table 5)](https://treeallometry.org/equations/istrefi-2018-paper-h/), Istrefi et al. 2018: Quercus cerris, Albania; inputs Height; DBH 3–30 cm; 12 trees.
- [Quercus cerris AGB, Sllove site (DBH, Table 4)](https://treeallometry.org/equations/istrefi-2018-sllove-dbh/), Istrefi et al. 2018: Quercus cerris, Albania; inputs DBH; DBH 4–15 cm; 10 trees.
- [Quercus cerris AGB, Sllove site (height, Table 5)](https://treeallometry.org/equations/istrefi-2018-sllove-h/), Istrefi et al. 2018: Quercus cerris, Albania; inputs Height; DBH 4–15 cm; 10 trees.
- [Quercus cerris AGB, Zerqan site (DBH and height, Table 6)](https://treeallometry.org/equations/istrefi-2018-zerqan-dbh-h/), Istrefi et al. 2018: Quercus cerris, Albania; inputs DBH + Height; DBH 2.5–14 cm; 11 trees.
- [Quercus cerris AGB, Zerqan site (DBH squared and height, Table 6)](https://treeallometry.org/equations/istrefi-2018-zerqan-dbh2-h/), Istrefi et al. 2018: Quercus cerris, Albania; inputs DBH + Height; DBH 2.5–14 cm; 11 trees.
- [Quercus cerris AGB, Zerqan site (DBH, Table 4)](https://treeallometry.org/equations/istrefi-2018-zerqan-dbh/), Istrefi et al. 2018: Quercus cerris, Albania; inputs DBH; DBH 2.5–14 cm; 11 trees.
- [Quercus cerris AGB, Zerqan site (height, Table 5)](https://treeallometry.org/equations/istrefi-2018-zerqan-h/), Istrefi et al. 2018: Quercus cerris, Albania; inputs Height; DBH 2.5–14 cm; 11 trees.
- [Quercus coccifera total aboveground fuel (biomass) from basal diameter, all development states](https://treeallometry.org/equations/deltell-2024-q-coccifera-total/), Deltell et al. 2024: Quercus coccifera, Spain; inputs Root collar diameter.
- [Quercus coccolobifolia: total aboveground biomass (sum of components)](https://treeallometry.org/equations/cortes-sanchez-2019-coccolobifolia-agb/), Cortés-Sánchez et al. 2019: Quercus coccolobifolia Trel., Mexico; inputs DBH + Height; DBH 8.6–19.1 cm; 12 trees.
- [Quercus crassifolia total aboveground biomass](https://treeallometry.org/equations/vargas-larreta-2017-q-crassifolia-agb/), Vargas-Larreta et al. 2017: Quercus crassifolia, Mexico; inputs DBH + Height; DBH 8.5–43.1 cm; 108 trees.
- [Quercus crassifolia, total aboveground biomass (Eq. 4, D²H)](https://treeallometry.org/equations/ruiz-aquino-2014-crassifolia-agb/), Ruiz-Aquino et al. 2014: Quercus crassifolia Humb. & Bonpl., Mexico; inputs DBH + Height; DBH 5–31 cm; 16 trees.
- [Quercus durifolia total aboveground biomass](https://treeallometry.org/equations/vargas-larreta-2017-q-durifolia-agb/), Vargas-Larreta et al. 2017: Quercus durifolia, Mexico; inputs DBH + Height; DBH 7–45.5 cm; 131 trees.
- [Quercus group 1 (rugosa, candicans, laurina): total aboveground biomass (sum of components)](https://treeallometry.org/equations/cortes-sanchez-2019-g1-agb/), Cortés-Sánchez et al. 2019: Quercus group 1 (Q. rugosa, Q. candicans, Q. laurina), Mexico; inputs DBH + Height; DBH 5.8–48.6 cm.
- [Quercus humboldtii AGB, DBH only (13-year restoration plantation)](https://treeallometry.org/equations/giraldo-salazar-2025-quercus/), Giraldo-Salazar et al. 2025: Quercus humboldtii, Colombia; inputs DBH; DBH 4.75–24.9 cm; 20 trees.
- [Quercus ilex total aboveground fuel (biomass) from basal diameter, all development states](https://treeallometry.org/equations/deltell-2024-q-ilex-total/), Deltell et al. 2024: Quercus ilex, Spain; inputs Root collar diameter.
- [Quercus laurina, total aboveground biomass (Eq. 4, D²H)](https://treeallometry.org/equations/ruiz-aquino-2014-laurina-agb/), Ruiz-Aquino et al. 2014: Quercus laurina Humb. & Bonpl., Mexico; inputs DBH + Height; DBH 6–31 cm; 16 trees.
- [Quercus laurina: total aboveground biomass (sum of components)](https://treeallometry.org/equations/cortes-sanchez-2019-laurina-agb/), Cortés-Sánchez et al. 2019: Quercus laurina Bonpl., Mexico; inputs DBH + Height; DBH 5.8–48.6 cm; 30 trees.
- [Quercus obtusata: total aboveground biomass (sum of components)](https://treeallometry.org/equations/cortes-sanchez-2019-obtusata-agb/), Cortés-Sánchez et al. 2019: Quercus obtusata Bonpl., Mexico; inputs DBH + Height; DBH 6.2–37.6 cm; 34 trees.
- [Quercus resinosa, power model, D only (model 1)](https://treeallometry.org/equations/navarro-2020-q-resinosa-m1/), Navarro-Martínez et al. 2020: Quercus resinosa Liebmann, Mexico; inputs DBH; DBH 14.1–57.7 cm; 19 trees.
- [Quercus resinosa, power model, D²H (model 2)](https://treeallometry.org/equations/navarro-2020-q-resinosa-m2/), Navarro-Martínez et al. 2020: Quercus resinosa Liebmann, Mexico; inputs DBH + Height; DBH 14.1–57.7 cm; 19 trees.
- [Quercus rugosa total aboveground biomass](https://treeallometry.org/equations/vargas-larreta-2017-q-rugosa-agb/), Vargas-Larreta et al. 2017: Quercus rugosa, Mexico; inputs DBH + Height; DBH 9.3–41.3 cm; 61 trees.
- [Quercus sideroxyla total aboveground biomass](https://treeallometry.org/equations/vargas-larreta-2017-q-sideroxyla-agb/), Vargas-Larreta et al. 2017: Quercus sideroxyla, Mexico; inputs DBH + Height; DBH 11–57 cm; 123 trees.
- [Quercus sideroxyla: total aboveground biomass (sum of components)](https://treeallometry.org/equations/cortes-sanchez-2019-sideroxyla-agb/), Cortés-Sánchez et al. 2019: Quercus sideroxyla Bonpl., Mexico; inputs DBH + Height; DBH 4.8–40.5 cm; 33 trees.
- [Quercus total aboveground biomass](https://treeallometry.org/equations/vargas-larreta-2017-all-oaks-agb/), Vargas-Larreta et al. 2017: Quercus, Mexico; inputs DBH + Height.
- [Radiata pine total aboveground from DBH (Eq. 8)](https://treeallometry.org/equations/pienaar-2025-total-eq8/), Pienaar et al. 2025: Pinus radiata, South Africa; inputs DBH; DBH 10.4–38.9 cm; 20 trees.
- [Radiata pine total aboveground from DBH, H (Eq. 9)](https://treeallometry.org/equations/pienaar-2025-total-eq9/), Pienaar et al. 2025: Pinus radiata, South Africa; inputs DBH + Height; DBH 10.4–38.9 cm; 20 trees.
- [Radiata pine total aboveground from DBH²H (Eq. 10)](https://treeallometry.org/equations/pienaar-2025-total-eq10/), Pienaar et al. 2025: Pinus radiata, South Africa; inputs DBH + Height; DBH 10.4–38.9 cm; 20 trees.
- [Radiata pine total AGB, log model Eq. 3 (ln D)](https://treeallometry.org/equations/moore-2010-eq3/), Moore 2010: Pinus radiata, New Zealand; inputs DBH; DBH 0.7–80.6 cm; 637 trees.
- [Radiata pine total AGB, log model Eq. 4 (ln D, (ln D)^2)](https://treeallometry.org/equations/moore-2010-eq4/), Moore 2010: Pinus radiata, New Zealand; inputs DBH; DBH 0.7–80.6 cm; 637 trees.
- [Radiata pine total AGB, log model Eq. 5 (ln D, ln H)](https://treeallometry.org/equations/moore-2010-eq5/), Moore 2010: Pinus radiata, New Zealand; inputs DBH + Height; DBH 0.7–80.6 cm; 637 trees.
- [Radiata pine total AGB, log model Eq. 6 (ln D, (ln D)^2, ln H)](https://treeallometry.org/equations/moore-2010-eq6/), Moore 2010: Pinus radiata, New Zealand; inputs DBH + Height; DBH 0.7–80.6 cm; 637 trees.
- [Radiata pine total AGB, log model Eq. 7 (ln D, (ln D)^2, ln H, (ln H)^2)](https://treeallometry.org/equations/moore-2010-eq7/), Moore 2010: Pinus radiata, New Zealand; inputs DBH + Height; DBH 0.7–80.6 cm; 637 trees.
- [Radiata pine total AGB, log model Eq. 8 (ln(D^2 H))](https://treeallometry.org/equations/moore-2010-eq8/), Moore 2010: Pinus radiata, New Zealand; inputs DBH + Height; DBH 0.7–80.6 cm; 637 trees.
- [Radiata pine total AGB, log model Eq. 9 (ln(D^2 H), its square)](https://treeallometry.org/equations/moore-2010-eq9/), Moore 2010: Pinus radiata, New Zealand; inputs DBH + Height; DBH 0.7–80.6 cm; 637 trees.
- [Radiata pine total AGB, weighted arithmetic model Eq. 13](https://treeallometry.org/equations/moore-2010-eq13/), Moore 2010: Pinus radiata, New Zealand; inputs DBH; DBH 0.7–80.6 cm; 637 trees.
- [Radiata pine total AGB, weighted arithmetic model Eq. 14](https://treeallometry.org/equations/moore-2010-eq14/), Moore 2010: Pinus radiata, New Zealand; inputs DBH + Height; DBH 0.7–80.6 cm; 637 trees.
- [Radiata pine total AGB, weighted arithmetic model Eq. 15](https://treeallometry.org/equations/moore-2010-eq15/), Moore 2010: Pinus radiata, New Zealand; inputs DBH + Height; DBH 0.7–80.6 cm; 637 trees.
- [Radiata pine total AGB, weighted arithmetic model Eq. 16](https://treeallometry.org/equations/moore-2010-eq16/), Moore 2010: Pinus radiata, New Zealand; inputs DBH + Height; DBH 0.7–80.6 cm; 637 trees.
- [Radiata pine total AGB, weighted arithmetic model Eq. 17](https://treeallometry.org/equations/moore-2010-eq17/), Moore 2010: Pinus radiata, New Zealand; inputs DBH + Height; DBH 0.7–80.6 cm; 637 trees.
- [Radiata pine total AGB, weighted arithmetic model Eq. 18](https://treeallometry.org/equations/moore-2010-eq18/), Moore 2010: Pinus radiata, New Zealand; inputs DBH; DBH 0.7–80.6 cm; 637 trees.
- [Radiata pine total AGB, weighted arithmetic model Eq. 19](https://treeallometry.org/equations/moore-2010-eq19/), Moore 2010: Pinus radiata, New Zealand; inputs DBH + Height; DBH 0.7–80.6 cm; 637 trees.
- [Radiata pine total AGB, weighted arithmetic model Eq. 20](https://treeallometry.org/equations/moore-2010-eq20/), Moore 2010: Pinus radiata, New Zealand; inputs DBH + Height; DBH 0.7–80.6 cm; 637 trees.
- [Rainforest, Rio de Janeiro, DBH and height (Schumacher and Hall, Model 3)](https://treeallometry.org/equations/gaui-2024-raf-model3/), Gaui et al. 2024: Mixed rainforest trees, Brazil; inputs DBH + Height; 78 trees.
- [Rainforest, Rio de Janeiro, DBH and height (Spurr, Model 2)](https://treeallometry.org/equations/gaui-2024-raf-model2/), Gaui et al. 2024: Mixed rainforest trees, Brazil; inputs DBH + Height; 78 trees.
- [Rainforest, Rio de Janeiro, DBH only (Husch, Model 1)](https://treeallometry.org/equations/gaui-2024-raf-model1/), Gaui et al. 2024: Mixed rainforest trees, Brazil; inputs DBH; 78 trees.
- [Raphia laurentii AGB from stem base diameter (m13, mean petiole diameter ≥5 cm)](https://treeallometry.org/equations/bocko-2023-m13-base-diameter-ge5/), Bocko et al. 2023: Raphia laurentii, Congo - Brazzaville; inputs Root collar diameter; 60 trees.
- [Raphia laurentii AGB from stem base diameter (m2, all sizes)](https://treeallometry.org/equations/bocko-2023-m2-base-diameter/), Bocko et al. 2023: Raphia laurentii, Congo - Brazzaville; inputs Root collar diameter; 90 trees.
- [Raphia laurentii AGB from total palm height (m15, mean petiole diameter ≥5 cm)](https://treeallometry.org/equations/bocko-2023-m15-height-ge5/), Bocko et al. 2023: Raphia laurentii, Congo - Brazzaville; inputs Height; 60 trees.
- [Raphia laurentii AGB from total palm height (m4, all sizes)](https://treeallometry.org/equations/bocko-2023-m4-height/), Bocko et al. 2023: Raphia laurentii, Congo - Brazzaville; inputs Height; 90 trees.
- [Red alder total aboveground biomass from DBH and height (Table 4)](https://treeallometry.org/equations/poudel-2019-alnus-rubra/), Poudel et al. 2019: Alnus rubra, United States; inputs DBH + Height; DBH 9.3–51.8 cm; 25 trees.
- [Redwood total aboveground biomass from DBH and height (Table 4)](https://treeallometry.org/equations/poudel-2019-sequoia-sempervirens/), Poudel et al. 2019: Sequoia sempervirens, United States; inputs DBH + Height; DBH 8.3–681 cm; 141 trees.
- [Restinga forest, Rio de Janeiro, DBH and height (Spurr, Model 2)](https://treeallometry.org/equations/gaui-2024-rf-model2/), Gaui et al. 2024: Mixed restinga forest trees, Brazil; inputs DBH + Height; 37 trees.
- [Retrophyllum rospigliosii AGB, DBH only (13-year restoration plantation)](https://treeallometry.org/equations/giraldo-salazar-2025-retrophyllum/), Giraldo-Salazar et al. 2025: Retrophyllum rospigliosii, Colombia; inputs DBH; DBH 3.8–19 cm; 20 trees.
- [Rubus idaeus, aboveground dry mass vs base diameter (Model 1)](https://treeallometry.org/equations/kartashova-2026-rubus-idaeus-pag-d0/), Kartashova et al. 2026: Rubus idaeus, Russia; inputs Root collar diameter; 12 trees.
- [Ruprechtia glauca, total aerial dry biomass from ground-level diameter (Table 2)](https://treeallometry.org/equations/mendonca-2013-ruprechtia-glauca/), Mendonça et al. 2013: Ruprechtia glauca, Brazil; inputs Root collar diameter; 15 trees.
- [S. teysmaniana peat swamp, ln(AGB) on DBH](https://treeallometry.org/equations/akbar-2012-dbh-ln/), Akbar 2012: Shorea teysmaniana, Indonesia; inputs DBH; DBH 7.3–29.2 cm; 20 trees.
- [S. teysmaniana peat swamp, ln(AGB) on DBH and total height](https://treeallometry.org/equations/akbar-2012-dbh-h-ln/), Akbar 2012: Shorea teysmaniana, Indonesia; inputs DBH + Height; DBH 7.3–29.2 cm; 20 trees.
- [S. teysmaniana peat swamp, ln(AGB) on DBH and wood density](https://treeallometry.org/equations/akbar-2012-dbh-wd-ln/), Akbar 2012: Shorea teysmaniana, Indonesia; inputs DBH + Wood density; DBH 7.3–29.2 cm; 20 trees.
- [Salvia rosmarinus total aboveground fuel (biomass) from basal diameter, all development states](https://treeallometry.org/equations/deltell-2024-s-rosmarinus-total/), Deltell et al. 2024: Salvia rosmarinus, Spain; inputs Root collar diameter.
- [Sambucus racemosa, aboveground dry mass vs base diameter (Model 1)](https://treeallometry.org/equations/kartashova-2026-sambucus-pag-d0/), Kartashova et al. 2026: Sambucus racemosa, Russia; inputs Root collar diameter; 7 trees.
- [Schinopsis glabra, caatinga, DBH](https://treeallometry.org/equations/sampaio-2005-schinopsis-glabra-dbh/), Sampaio & Silva 2005: Schinopsis glabra, Brazil; inputs DBH; 30 trees.
- [Schinopsis glabra, caatinga, ground-level diameter](https://treeallometry.org/equations/sampaio-2005-schinopsis-glabra-dgl/), Sampaio & Silva 2005: Schinopsis glabra, Brazil; inputs Root collar diameter; 30 trees.
- [Schinus patagonicus aboveground dry weight from DAP (Cuadro 1)](https://treeallometry.org/equations/gyenge-2009-agb-laura-dap/), Gyenge et al. 2009: Schinus patagonicus, Argentina; inputs DBH; DBH 3.7–12.8 cm; 8 trees.
- [Scots pine aboveground biomass, young dense stands, N Sweden (Table 5)](https://treeallometry.org/equations/repola-2014-agb-pine/), Repola & Ahnlund Ulvcrona 2014: Pinus sylvestris, Sweden; inputs DBH + Height; DBH 1–22 cm; 126 trees.
- [Scots pine AGB biomass, ln-ln OLS (D and H)](https://treeallometry.org/equations/tungalag-2020-agb-dh/), Tungalag et al. 2020: Pinus sylvestris, Mongolia; inputs DBH + Height; DBH 4.7–55 cm; 35 trees.
- [Scots pine AGB biomass, ln-ln OLS (D only)](https://treeallometry.org/equations/tungalag-2020-agb-d/), Tungalag et al. 2020: Pinus sylvestris, Mongolia; inputs DBH; DBH 4.7–55 cm; 35 trees.
- [Scots pine total above-ground biomass, Model 1a (Eq. 9)](https://treeallometry.org/equations/repola-2009-pinus-sylvestris-total/), Repola 2009: Pinus sylvestris, Finland; inputs DBH + Height; 285 trees.
- [Semideciduous forest, Rio de Janeiro, DBH and height (Schumacher and Hall, Model 3)](https://treeallometry.org/equations/gaui-2024-sf-model3/), Gaui et al. 2024: Mixed semideciduous forest trees, Brazil; inputs DBH + Height; 57 trees.
- [Semideciduous forest, Rio de Janeiro, DBH and height (Spurr, Model 2)](https://treeallometry.org/equations/gaui-2024-sf-model2/), Gaui et al. 2024: Mixed semideciduous forest trees, Brazil; inputs DBH + Height; 57 trees.
- [Semideciduous forest, Rio de Janeiro, DBH only (Husch, Model 1)](https://treeallometry.org/equations/gaui-2024-sf-model1/), Gaui et al. 2024: Mixed semideciduous forest trees, Brazil; inputs DBH; 57 trees.
- [Shorea genus, Vietnam, AGB from D (S1, Eq. 19)](https://treeallometry.org/equations/huy-2016-shorea-d/), Huy et al. 2016: Shorea, Vietnam; inputs DBH; DBH 5.6–23 cm; 36 trees.
- [Shorea spp., DBH only](https://treeallometry.org/equations/basuki-2009-shorea-d/), Basuki et al. 2009: Shorea, Indonesia; inputs DBH; 24 trees.
- [Short-stature boreal trees (<=4.5 m), AGB from stem diameter at 0.3 m (NLS)](https://treeallometry.org/equations/flade-2020-trees-d30-nls/), Flade et al. 2020: Multispecies short-stature trees (Betula papyrifera, Picea spp., Populus balsamifera, Populus tremuloides), Canada; inputs D30.
- [Silver fir AGB, Bayesian, Dataset #1, D and H](https://treeallometry.org/equations/dutca-2020-fir-bay1-dh/), Dutcă et al. 2020: Abies alba, Romania; inputs DBH + Height; DBH 6.3–92.6 cm; 14 trees.
- [Silver fir AGB, Bayesian, Dataset #1, D only](https://treeallometry.org/equations/dutca-2020-fir-bay1-d/), Dutcă et al. 2020: Abies alba, Romania; inputs DBH; DBH 6.3–92.6 cm; 14 trees.
- [Silver fir AGB, Bayesian, Dataset #2, D and H](https://treeallometry.org/equations/dutca-2020-fir-bay2-dh/), Dutcă et al. 2020: Abies alba, Romania; inputs DBH + Height; DBH 6.3–27.9 cm; 7 trees.
- [Silver fir AGB, Bayesian, Dataset #2, D only](https://treeallometry.org/equations/dutca-2020-fir-bay2-d/), Dutcă et al. 2020: Abies alba, Romania; inputs DBH; DBH 6.3–27.9 cm; 7 trees.
- [Silver fir AGB, LM, Dataset #1, D and H](https://treeallometry.org/equations/dutca-2020-fir-lm1-dh/), Dutcă et al. 2020: Abies alba, Romania; inputs DBH + Height; DBH 6.3–92.6 cm; 14 trees.
- [Silver fir AGB, LM, Dataset #1, D only](https://treeallometry.org/equations/dutca-2020-fir-lm1-d/), Dutcă et al. 2020: Abies alba, Romania; inputs DBH; DBH 6.3–92.6 cm; 14 trees.
- [Silver fir AGB, RIM, Dataset #3, D and H](https://treeallometry.org/equations/dutca-2020-fir-rim3-dh/), Dutcă et al. 2020: Abies alba, Romania; inputs DBH + Height; DBH 5.1–92.6 cm; 116 trees.
- [Silver fir AGB, RIM, Dataset #3, D only](https://treeallometry.org/equations/dutca-2020-fir-rim3-d/), Dutcă et al. 2020: Abies alba, Romania; inputs DBH; DBH 5.1–92.6 cm; 116 trees.
- [Silver fir AGB, RIM, Dataset #4, D and H](https://treeallometry.org/equations/dutca-2020-fir-rim4-dh/), Dutcă et al. 2020: Abies alba, Romania; inputs DBH + Height; DBH 5.1–64 cm; 109 trees.
- [Silver fir AGB, RIM, Dataset #4, D only](https://treeallometry.org/equations/dutca-2020-fir-rim4-d/), Dutcă et al. 2020: Abies alba, Romania; inputs DBH; DBH 5.1–64 cm; 109 trees.
- [Singleleaf pinyon total aboveground biomass from DBH and height (Table 4)](https://treeallometry.org/equations/poudel-2019-pinus-monophylla/), Poudel et al. 2019: Pinus monophylla, United States; inputs DBH + Height; DBH 0.4–115.6 cm; 75 trees.
- [Sitka spruce total aboveground biomass from DBH and height (Table 4)](https://treeallometry.org/equations/poudel-2019-picea-sitchensis/), Poudel et al. 2019: Picea sitchensis, United States; inputs DBH + Height; DBH 7.2–47.8 cm; 19 trees.
- [Six Guanajuato oaks pooled, system 1 (D and H): total aboveground biomass (sum of components)](https://treeallometry.org/equations/cortes-sanchez-2019-sys1-agb/), Cortés-Sánchez et al. 2019: Quercus (six species: rugosa, obtusata, sideroxyla, coccolobifolia, laurina, candicans), Mexico; inputs DBH + Height; DBH 4.8–48.6 cm; 165 trees.
- [Six Guanajuato oaks pooled, total aboveground biomass fitted directly (model 3)](https://treeallometry.org/equations/cortes-sanchez-2019-bt-m3/), Cortés-Sánchez et al. 2019: Quercus (six species: rugosa, obtusata, sideroxyla, coccolobifolia, laurina, candicans), Mexico; inputs DBH + Height; DBH 4.8–48.6 cm; 165 trees.
- [Six Guanajuato oaks pooled, total aboveground biomass fitted directly (model 4)](https://treeallometry.org/equations/cortes-sanchez-2019-bt-m4/), Cortés-Sánchez et al. 2019: Quercus (six species: rugosa, obtusata, sideroxyla, coccolobifolia, laurina, candicans), Mexico; inputs Wood density + DBH + Height; DBH 4.8–48.6 cm; 165 trees.
- [Small caatinga species (A. pyrifolium, C. sonderianus, J. mollissima), DBH](https://treeallometry.org/equations/sampaio-2005-small-3-dbh/), Sampaio & Silva 2005: Small caatinga species (A. pyrifolium, C. sonderianus, J. mollissima), Brazil; inputs DBH.
- [Small caatinga species (A. pyrifolium, C. sonderianus, J. mollissima), ground-level diameter](https://treeallometry.org/equations/sampaio-2005-small-3-dgl/), Sampaio & Silva 2005: Small caatinga species (A. pyrifolium, C. sonderianus, J. mollissima), Brazil; inputs Root collar diameter.
- [Small-tree total AGB, multi-species, DBH and height model (Model II)](https://treeallometry.org/equations/puc-kauil-2020-model2-multi/), Puc-Kauil et al. 2020: 22 small-diameter (DBH ≤ 10 cm) tree species of secondary tropical forest, Mexico; inputs DBH + Height; DBH 1–10 cm; 311 trees.
- [Small-tree total AGB, multi-species, wood density model (Model I)](https://treeallometry.org/equations/puc-kauil-2020-model1-multi/), Puc-Kauil et al. 2020: 22 small-diameter (DBH ≤ 10 cm) tree species of secondary tropical forest, Mexico; inputs Wood density + DBH + Height; DBH 1–10 cm; 311 trees.
- [Socratea exorrhiza AGB from diameter and stem height](https://treeallometry.org/equations/goodman-2013-socratea-exorrhiza/), Goodman et al. 2013: Socratea exorrhiza, Peru; inputs DBH + Stem height; DBH 4–24 cm; 20 trees.
- [Sonneratia alba total aboveground biomass, exponential model (D)](https://treeallometry.org/equations/pathibang-2026-total-exponential/), Pathibang et al. 2026: Sonneratia alba, Indonesia; inputs DBH; 8 trees.
- [Sonneratia alba total aboveground biomass, multiple power model (D, H)](https://treeallometry.org/equations/pathibang-2026-total-multiple-power/), Pathibang et al. 2026: Sonneratia alba, Indonesia; inputs DBH + Height; 8 trees.
- [Sonneratia alba total aboveground biomass, power model (D)](https://treeallometry.org/equations/pathibang-2026-total-power/), Pathibang et al. 2026: Sonneratia alba, Indonesia; inputs DBH; 8 trees.
- [Sonneratia apetala aboveground biomass, a x^b of DBH^2 \* H (Table 4)](https://treeallometry.org/equations/lwin-2026-sa-agb/), Lwin et al. 2026: Sonneratia apetala, Myanmar (Burma); inputs DBH + Height; DBH 5.1–20 cm; 15 trees.
- [Sophora tetraptera, NZ, total aboveground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-sophora-agb/), Marden et al. 2025: Sophora tetraptera, New Zealand; inputs Root collar diameter.
- [Spotted gum AGB from D and H (Eq. 5)](https://treeallometry.org/equations/huynh-2022-eq5-dh/), Huynh et al. 2022: Corymbia citriodora subsp. variegata, Australia; inputs DBH + Height; DBH 11.8–42 cm; 52 trees.
- [Spotted gum AGB from D, H and wood density (Eq. 8)](https://treeallometry.org/equations/huynh-2022-eq8-dhrho/), Huynh et al. 2022: Corymbia citriodora subsp. variegata, Australia; inputs DBH + Height + Wood density; DBH 11.8–42 cm; 52 trees.
- [Spotted gum AGB from D²H (Eq. 6)](https://treeallometry.org/equations/huynh-2022-eq6-d2h/), Huynh et al. 2022: Corymbia citriodora subsp. variegata, Australia; inputs DBH + Height; DBH 11.8–42 cm; 52 trees.
- [Spotted gum AGB from DBH (Eq. 3)](https://treeallometry.org/equations/huynh-2022-eq3-d/), Huynh et al. 2022: Corymbia citriodora subsp. variegata, Australia; inputs DBH; DBH 11.8–42 cm; 52 trees.
- [Spotted gum AGB from DBH, 40-tree dataset (Eq. 10)](https://treeallometry.org/equations/huynh-2022-eq10-d-n40/), Huynh et al. 2022: Corymbia citriodora subsp. variegata, Australia; inputs DBH; DBH 17.1–42 cm; 40 trees.
- [Strychnos rubiginosa, total aerial dry biomass from ground-level diameter (Table 2)](https://treeallometry.org/equations/mendonca-2013-strychnos-rubiginosa/), Mendonça et al. 2013: Strychnos rubiginosa, Brazil; inputs Root collar diameter; 15 trees.
- [Subalpine fir total aboveground biomass from DBH and height (Table 4)](https://treeallometry.org/equations/poudel-2019-abies-lasiocarpa/), Poudel et al. 2019: Abies lasiocarpa, United States; inputs DBH + Height; DBH 3.5–44.4 cm; 98 trees.
- [Subtropical China AGB from D and wood density (Model I.4)](https://treeallometry.org/equations/xu-2015-i4-dwd/), Xu et al. 2015: 41 subtropical forest tree species (Fagus lucida, Castanea seguinii, Carpinus viminea and others), China; inputs DBH + Wood density; 147 trees.
- [Subtropical China AGB from D, H and wood density (Model I.1)](https://treeallometry.org/equations/xu-2015-i1-dhwd/), Xu et al. 2015: 41 subtropical forest tree species (Fagus lucida, Castanea seguinii, Carpinus viminea and others), China; inputs DBH + Height + Wood density; 147 trees.
- [Subtropical China AGB from D²H (Model III.1)](https://treeallometry.org/equations/xu-2015-iii1-d2h/), Xu et al. 2015: 41 subtropical forest tree species (Fagus lucida, Castanea seguinii, Carpinus viminea and others), China; inputs DBH + Height; 147 trees.
- [Subtropical China AGB from D²H and wood density (Model I.2)](https://treeallometry.org/equations/xu-2015-i2-d2hwd/), Xu et al. 2015: 41 subtropical forest tree species (Fagus lucida, Castanea seguinii, Carpinus viminea and others), China; inputs DBH + Height + Wood density; 147 trees.
- [Subtropical China AGB from D²H x wood density (Model I.3)](https://treeallometry.org/equations/xu-2015-i3-d2hxwd/), Xu et al. 2015: 41 subtropical forest tree species (Fagus lucida, Castanea seguinii, Carpinus viminea and others), China; inputs DBH + Height + Wood density; 147 trees.
- [Tanzania lowland forest, Dindili (dry lowland forest), D and H (model 9)](https://treeallometry.org/equations/mugasha-2016-agb-dindili-m9/), Mugasha et al. 2016: Mixed lowland forest tree species, Tanzania; inputs Height + DBH; 30 trees.
- [Tanzania lowland forest, Dindili (dry lowland forest), D, H and wood density (model 10)](https://treeallometry.org/equations/mugasha-2016-agb-dindili-m10/), Mugasha et al. 2016: Mixed lowland forest tree species, Tanzania; inputs Wood density + DBH + Height; 30 trees.
- [Tanzania lowland forest, Dindili and Rondo combined, D, H and wood density (model 10)](https://treeallometry.org/equations/mugasha-2016-agb-general-m10/), Mugasha et al. 2016: Mixed lowland forest tree species, Tanzania; inputs Wood density + DBH + Height; 60 trees.
- [Tanzania lowland forest, Rondo (wet lowland forest), D, H and wood density (model 10)](https://treeallometry.org/equations/mugasha-2016-agb-rondo-m10/), Mugasha et al. 2016: Mixed lowland forest tree species, Tanzania; inputs Wood density + DBH + Height; 30 trees.
- [Tanzania miombo AGB, DBH and height](https://treeallometry.org/equations/mugasha-2013-agb-dh/), Mugasha et al. 2013: Miombo woodland trees, Tanzania; inputs DBH + Height; DBH 1.1–110 cm; 167 trees; from a secondary source.
- [Tanzania miombo AGB, DBH only](https://treeallometry.org/equations/mugasha-2013-agb-d/), Mugasha et al. 2013: Miombo woodland trees, Tanzania; inputs DBH; DBH 1.1–110 cm; 167 trees; from a secondary source.
- [Tectona grandis AGB from D](https://treeallometry.org/equations/ounban-2016-teak-agb-d/), Ounban et al. 2016: Tectona grandis, Thailand; inputs DBH; DBH 4.4–41.2 cm; 84 trees.
- [Tectona grandis AGB from D²H](https://treeallometry.org/equations/ounban-2016-teak-agb-d2h/), Ounban et al. 2016: Tectona grandis, Thailand; inputs DBH + Height; DBH 4.4–41.2 cm; 84 trees.
- [Total aboveground biomass, 18-year secondary montane forest, DAP² only](https://treeallometry.org/equations/ramirez-2022-age18-agb-d2/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH.
- [Total aboveground biomass, 18-year secondary montane forest, DAP²·Ht](https://treeallometry.org/equations/ramirez-2022-age18-agb-d2h/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH + Height.
- [Total aboveground biomass, 30-year secondary montane forest, DAP² only](https://treeallometry.org/equations/ramirez-2022-age30-agb-d2/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH.
- [Total aboveground biomass, 30-year secondary montane forest, DAP²·Ht](https://treeallometry.org/equations/ramirez-2022-age30-agb-d2h/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH + Height.
- [Total aboveground biomass, 50-year secondary montane forest, DAP² only](https://treeallometry.org/equations/ramirez-2022-age50-agb-d2/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH.
- [Total aboveground biomass, 50-year secondary montane forest, DAP²·Ht](https://treeallometry.org/equations/ramirez-2022-age50-agb-d2h/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH + Height.
- [Total aboveground biomass, all ages pooled (general) secondary montane forest, DAP² only](https://treeallometry.org/equations/ramirez-2022-general-agb-d2/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH.
- [Total aboveground biomass, all ages pooled (general) secondary montane forest, DAP²·Ht](https://treeallometry.org/equations/ramirez-2022-general-agb-d2h/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH + Height.
- [Total aboveground biomass, Eucalyptus saligna young plantation, dbh only](https://treeallometry.org/equations/ramos-veintimilla-2025-total/), Ramos-Veintimilla et al. 2025: Eucalyptus saligna, Ecuador; inputs DBH; DBH 5.9–21 cm; 46 trees.
- [Total aboveground biomass, Grevillea robusta, dap only](https://treeallometry.org/equations/begazo-2018-grevillea/), Begazo Curie & Jave Nakayo 2018: Grevillea robusta, Peru; inputs DBH; DBH 2.4–21 cm; 15 trees.
- [Total aboveground biomass, Pinus tecunumanii shade trees, exponential DBH+H](https://treeallometry.org/equations/chalupova-2026-agb-exp/), Chalupová et al. 2026: Pinus tecunumanii, Peru; inputs DBH + Height; DBH 9.9–43.8 cm; 22 trees.
- [Total aboveground biomass, Pinus tecunumanii shade trees, power-law DBH+H](https://treeallometry.org/equations/chalupova-2026-agb-power/), Chalupová et al. 2026: Pinus tecunumanii, Peru; inputs DBH + Height; DBH 9.9–43.8 cm; 22 trees.
- [Total aboveground biomass, Schinus molle, dap × ht](https://treeallometry.org/equations/begazo-2018-schinus/), Begazo Curie & Jave Nakayo 2018: Schinus molle, Peru; inputs DBH + Height; DBH 1.3–22.9 cm; 14 trees.
- [Total aboveground biomass, Tecoma stans var. stans, dap only](https://treeallometry.org/equations/begazo-2018-tecoma/), Begazo Curie & Jave Nakayo 2018: Tecoma stans var. stans, Peru; inputs DBH; DBH 3.8–19.1 cm; 15 trees.
- [Total AGB from DBH and total height (Eq. 15)](https://treeallometry.org/equations/segura-2005-btot-eq15/), Segura & Kanninen 2005: Seven dominant canopy species (Carapa guianensis, Inga coruscans, Laetia procera, Pentaclethra macroloba, Stryphnodendron microstachyum, Tapirira guianensis, Vochysia ferruginea), Costa Rica; inputs DBH + Height; DBH 60–105 cm; 19 trees.
- [Total AGB from DBH squared, log form (Eq. 11)](https://treeallometry.org/equations/segura-2005-btot-eq11/), Segura & Kanninen 2005: Seven dominant canopy species (Carapa guianensis, Inga coruscans, Laetia procera, Pentaclethra macroloba, Stryphnodendron microstachyum, Tapirira guianensis, Vochysia ferruginea), Costa Rica; inputs DBH; DBH 60–105 cm; 19 trees.
- [Total AGB from DBH, power law (Eq. 12)](https://treeallometry.org/equations/segura-2005-btot-eq12/), Segura & Kanninen 2005: Seven dominant canopy species (Carapa guianensis, Inga coruscans, Laetia procera, Pentaclethra macroloba, Stryphnodendron microstachyum, Tapirira guianensis, Vochysia ferruginea), Costa Rica; inputs DBH; DBH 60–105 cm; 19 trees.
- [Trees on farms in western Kenya, DBH only](https://treeallometry.org/equations/kuyah-2012-dbh/), Kuyah et al. 2012: Trees on farms, mixed species (agricultural landscape), Kenya; inputs DBH; DBH 2.5–102 cm; 72 trees; from a secondary source.
- [Tropical pines AGB from DBH (Eq. 3.1.8 / 3.2.8)](https://treeallometry.org/equations/brown-1997-pine/), Brown 1997: Pinus, Global; inputs DBH; DBH 2–52 cm; 63 trees.
- [Ulex parviflorus total aboveground fuel (biomass) from basal diameter, all development states](https://treeallometry.org/equations/deltell-2024-u-parviflorus-total/), Deltell et al. 2024: Ulex parviflorus, Spain; inputs Root collar diameter.
- [Understorey AGB from D30 (1-10 cm stems)](https://treeallometry.org/equations/ntonmen-2022-agb-d/), Yonkeu Ntonmen et al. 2022: Understorey trees and saplings, 184 species (stems 1–10 cm diameter), Cameroon; inputs D30; 1,023 trees.
- [Understorey AGB from D30 and height](https://treeallometry.org/equations/ntonmen-2022-agb-d-h/), Yonkeu Ntonmen et al. 2022: Understorey trees and saplings, 184 species (stems 1–10 cm diameter), Cameroon; inputs D30 + Height; 1,023 trees.
- [Understorey AGB from D30 and wood density](https://treeallometry.org/equations/ntonmen-2022-agb-d-rho/), Yonkeu Ntonmen et al. 2022: Understorey trees and saplings, 184 species (stems 1–10 cm diameter), Cameroon; inputs D30 + Wood density; 1,023 trees.
- [Understorey AGB from D30²·H and wood density](https://treeallometry.org/equations/ntonmen-2022-agb-d2h-rho/), Yonkeu Ntonmen et al. 2022: Understorey trees and saplings, 184 species (stems 1–10 cm diameter), Cameroon; inputs D30 + Height + Wood density; 1,023 trees.
- [US national species group: Aspen/alder/cottonwood/willow (Table 4)](https://treeallometry.org/equations/jenkins-2003-aspen-alder-cottonwood-willow/), Jenkins et al. 2003: Aspen/alder/cottonwood/willow species group (hardwood), United States; inputs DBH; DBH 2.5–70 cm.
- [US national species group: Cedar/larch (Table 4)](https://treeallometry.org/equations/jenkins-2003-cedar-larch/), Jenkins et al. 2003: Cedar/larch species group (softwood), United States; inputs DBH; DBH 2.5–250 cm.
- [US national species group: Douglas-fir (Table 4)](https://treeallometry.org/equations/jenkins-2003-douglas-fir/), Jenkins et al. 2003: Douglas-fir species group (softwood), United States; inputs DBH; DBH 2.5–210 cm.
- [US national species group: Hard maple/oak/hickory/beech (Table 4)](https://treeallometry.org/equations/jenkins-2003-hard-maple-oak-hickory-beech/), Jenkins et al. 2003: Hard maple/oak/hickory/beech species group (hardwood), United States; inputs DBH; DBH 2.5–73 cm.
- [US national species group: Juniper/oak/mesquite (Table 4)](https://treeallometry.org/equations/jenkins-2003-juniper-oak-mesquite/), Jenkins et al. 2003: Juniper/oak/mesquite species group (woodland), United States; inputs DBH; DBH 2.5–78 cm.
- [US national species group: Mixed hardwood (Table 4)](https://treeallometry.org/equations/jenkins-2003-mixed-hardwood/), Jenkins et al. 2003: Mixed hardwood species group (hardwood), United States; inputs DBH; DBH 2.5–56 cm.
- [US national species group: Pine (Table 4)](https://treeallometry.org/equations/jenkins-2003-pine/), Jenkins et al. 2003: Pine species group (softwood), United States; inputs DBH; DBH 2.5–180 cm.
- [US national species group: Soft maple/birch (Table 4)](https://treeallometry.org/equations/jenkins-2003-soft-maple-birch/), Jenkins et al. 2003: Soft maple/birch species group (hardwood), United States; inputs DBH; DBH 2.5–66 cm.
- [US national species group: Spruce (Table 4)](https://treeallometry.org/equations/jenkins-2003-spruce/), Jenkins et al. 2003: Spruce species group (softwood), United States; inputs DBH; DBH 2.5–250 cm.
- [US national species group: True fir/hemlock (Table 4)](https://treeallometry.org/equations/jenkins-2003-true-fir-hemlock/), Jenkins et al. 2003: True fir/hemlock species group (softwood), United States; inputs DBH; DBH 2.5–230 cm.
- [Utah juniper total aboveground biomass from DBH (Table 4)](https://treeallometry.org/equations/poudel-2019-juniperus-osteosperma/), Poudel et al. 2019: Juniperus osteosperma, United States; inputs DBH; DBH 4.1–50.5 cm; 33 trees.
- [Vietnam evergreen forest AGB with DBH, height and wood density (Eq. 10)](https://treeallometry.org/equations/nam-2016-eq10/), Nam et al. 2016: Mixed species of tropical evergreen forest (45 species), Vietnam; inputs DBH + Height + Wood density; DBH 1.8–115 cm; 300 trees.
- [Western hemlock total aboveground biomass from DBH and height (Table 4)](https://treeallometry.org/equations/poudel-2019-tsuga-heterophylla/), Poudel et al. 2019: Tsuga heterophylla, United States; inputs DBH + Height; DBH 3.1–77.8 cm; 115 trees.
- [Western redcedar total aboveground biomass from DBH and height (Table 4)](https://treeallometry.org/equations/poudel-2019-thuja-plicata/), Poudel et al. 2019: Thuja plicata, United States; inputs DBH + Height; DBH 3.8–54.2 cm; 50 trees.
- [Wet forest AGB with height (Model I)](https://treeallometry.org/equations/chave-2005-wet-h/), Chave et al. 2005: Tropical broadleaf trees, Pantropical; inputs Wood density + DBH + Height; DBH 5–156 cm.
- [Wet forest AGB without height (Model II)](https://treeallometry.org/equations/chave-2005-wet-noh/), Chave et al. 2005: Tropical broadleaf trees, Pantropical; inputs Wood density + DBH; DBH 5–156 cm.
- [Wet tropical zone AGB, quadratic (Brown 1997 Eq. 3.2.5)](https://treeallometry.org/equations/brown-iverson-1992-wet/), Brown & Iverson 1992: Tropical broadleaf trees (mixed species), Pantropical; inputs DBH; DBH 4–112 cm; 169 trees; from a secondary source.
- [White birch aboveground biomass from D and H (MS-3) (sum of components, Table 6)](https://treeallometry.org/equations/dong-2018-birch-ms3-agb/), Dong et al. 2018: Betula platyphylla, China; inputs DBH + Height; DBH 1.4–20.5 cm; 108 trees.
- [White birch aboveground biomass from D only (MS-2) (sum of components, Table 5)](https://treeallometry.org/equations/dong-2018-birch-ms2-agb/), Dong et al. 2018: Betula platyphylla, China; inputs DBH; DBH 1.4–20.5 cm; 108 trees.
- [White fir total aboveground biomass from DBH (Table 4)](https://treeallometry.org/equations/poudel-2019-abies-concolor/), Poudel et al. 2019: Abies concolor, United States; inputs DBH; DBH 28.4–66.5 cm; 10 trees.
- [White spruce total aboveground biomass from DBH and height (Table 4)](https://treeallometry.org/equations/poudel-2019-picea-glauca/), Poudel et al. 2019: Picea glauca, United States; inputs DBH + Height; DBH 3.6–57.6 cm; 108 trees.
- [Willow (Salix spp.) aboveground biomass, northern taiga, Arkhangelsk](https://treeallometry.org/equations/paramonov-2022-agb/), Paramonov et al. 2022: Salix, Russia; inputs DBH; 52 trees.
- [Ximenia americana, total aerial dry biomass from ground-level diameter and height (Table 2)](https://treeallometry.org/equations/mendonca-2013-xymenia-americana/), Mendonça et al. 2013: Ximenia americana, Brazil; inputs Root collar diameter + Height; 15 trees.
- [Young black locust woody AGB from SBD times height (Eq. 8)](https://treeallometry.org/equations/bohm-2011-eq8/), Böhm et al. 2011: Robinia pseudoacacia, Germany; inputs Root collar diameter + Height; 1,242 trees.
- [Young black locust woody AGB from shoot basal diameter (Eq. 6)](https://treeallometry.org/equations/bohm-2011-eq6/), Böhm et al. 2011: Robinia pseudoacacia, Germany; inputs Root collar diameter; 1,242 trees.
- [Young black locust woody AGB from tree height (Eq. 7)](https://treeallometry.org/equations/bohm-2011-eq7/), Böhm et al. 2011: Robinia pseudoacacia, Germany; inputs Height; 1,242 trees.

## Stem biomass (141)

- [Acacia auriculiformis × Acacia mangium (hybrid) plantation, stem biomass from stump diameter (SB6)](https://treeallometry.org/equations/das-2026-sb6-hybrid/), Das & Chowdhury 2026: Acacia auriculiformis × Acacia mangium (hybrid), Bangladesh; inputs D30; 25 trees.
- [Acacia auriculiformis plantation, stem biomass from stump diameter (SB6)](https://treeallometry.org/equations/das-2026-sb6-auriculiformis/), Das & Chowdhury 2026: Acacia auriculiformis, Bangladesh; inputs D30; 25 trees.
- [Acacia mangium plantation, stem biomass from stump diameter (SB6)](https://treeallometry.org/equations/das-2026-sb6-mangium/), Das & Chowdhury 2026: Acacia mangium, Bangladesh; inputs D30; 25 trees.
- [Acacia mearnsii Stem biomass from D and H (Table 3, model 1)](https://treeallometry.org/equations/shumie-2024-stem/), Shumie et al. 2024: Acacia mearnsii, Ethiopia; inputs DBH + Height; DBH 1.1–11.9 cm; 24 trees.
- [Albizia zygia stem biomass from Dbh](https://treeallometry.org/equations/goussanou-2016-albizia-zygia-stem-biomass-d/), Goussanou et al. 2016: Albizia zygia, Benin; inputs DBH; DBH 2.5–65.5 cm; 28 trees.
- [Alnus glutinosa stem with bark biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-alnus-glutinosa-stem/), Ruiz-Peinado et al. 2012: Alnus glutinosa, Spain; inputs DBH + Height; DBH 8.3–47.3 cm; 16 trees.
- [Avicennia lanata Stem biomass from D30 (Table 1)](https://treeallometry.org/equations/hasidu-2022-stem-d30/), Hasidu et al. 2022: Avicennia lanata, Indonesia; inputs D30; 13 trees.
- [Avicennia lanata Stem biomass from DBH (Table 1)](https://treeallometry.org/equations/hasidu-2022-stem-dbh/), Hasidu et al. 2022: Avicennia lanata, Indonesia; inputs DBH; 13 trees.
- [Avicennia officinalis stem biomass, a x^b of rho \* DBH^2 \* H (Table 3)](https://treeallometry.org/equations/lwin-2026-ao-stem/), Lwin et al. 2026: Avicennia officinalis, Myanmar (Burma); inputs Wood density + DBH + Height; DBH 5–13 cm; 15 trees.
- [Bambusa procera culm (stem) biomass, D and H, two-predictor system (combination 6)](https://treeallometry.org/equations/huy-2019-dh-culm/), Huy et al. 2019: Bambusa procera, Vietnam; inputs DBH + Height; DBH 3.6–9.5 cm; 83 trees.
- [Bambusa procera culm (stem) biomass, D only system (combination 1)](https://treeallometry.org/equations/huy-2019-d-culm/), Huy et al. 2019: Bambusa procera, Vietnam; inputs DBH; DBH 3.6–9.5 cm; 83 trees.
- [Beech on dry sites, stem with bark dry biomass from DBH (Table 3)](https://treeallometry.org/equations/chakraborty-2016-dbh-stem/), Chakraborty et al. 2016: Fagus sylvatica, Germany, Switzerland; inputs DBH; DBH 2–18 cm; 66 trees.
- [Beech saplings on dry sites, stem with bark dry biomass from root-collar diameter (Table 2)](https://treeallometry.org/equations/chakraborty-2016-drc-stem/), Chakraborty et al. 2016: Fagus sylvatica, Germany, Switzerland; inputs Root collar diameter; 20 trees.
- [Betula papyrifera stem biomass, cross-sectional area at 0.3 m (LLRC)](https://treeallometry.org/equations/flade-2021-bepa-stem-llrc/), Flade et al. 2021: Betula papyrifera, Canada; inputs D30; 15 trees.
- [Betula papyrifera stem biomass, cross-sectional area at 0.3 m (NLS)](https://treeallometry.org/equations/flade-2021-bepa-stem-nls/), Flade et al. 2021: Betula papyrifera, Canada; inputs D30; 15 trees.
- [Betula pendula stem in bark biomass vs DBH (Eq. 4), forest-swamp, Middle Urals](https://treeallometry.org/equations/petrova-2026-birch-st/), Petrova et al. 2026: Betula pendula, Russia; inputs DBH; DBH 1.1–17.1 cm; 18 trees.
- [Birch stem biomass, young dense stands, N Sweden (Table 5)](https://treeallometry.org/equations/repola-2014-stem-birch/), Repola & Ahnlund Ulvcrona 2014: Betula, Sweden; inputs DBH + Height; DBH 1–11 cm; 86 trees.
- [Cassipourea congoensis stem biomass from Dbh](https://treeallometry.org/equations/goussanou-2016-cassipourea-congoensis-stem-biomass-d/), Goussanou et al. 2016: Cassipourea congoensis, Benin; inputs DBH; DBH 2.8–22.4 cm; 28 trees.
- [Castanea sativa stem with bark biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-castanea-sativa-stem/), Ruiz-Peinado et al. 2012: Castanea sativa, Spain; inputs DBH + Height; DBH 10.7–50.6 cm; 24 trees.
- [Ceratonia siliqua stem with bark biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-ceratonia-siliqua-stem/), Ruiz-Peinado et al. 2012: Ceratonia siliqua, Spain; inputs DBH; DBH 10.2–42.9 cm; 19 trees.
- [Commercial stem biomass from DBH and wood density (MB1)](https://treeallometry.org/equations/romero-2020-mb1-chave-d-rho/), Romero et al. 2020: 20 commercial tree species of a managed forest (DBH >= 50 cm), Brazil; inputs DBH + Wood density; DBH 50.4–149.9 cm; 223 trees.
- [Cryptomeria japonica Generalized stem (wood + bark) (log10, Table 4)](https://treeallometry.org/equations/gwon-2014-gen-stem/), Gwon et al. 2014: Cryptomeria japonica, South Korea; inputs DBH; 10 trees.
- [Cryptomeria japonica Generalized stem bark (log10, Table 4)](https://treeallometry.org/equations/gwon-2014-gen-stem-bark/), Gwon et al. 2014: Cryptomeria japonica, South Korea; inputs DBH; 10 trees.
- [Cryptomeria japonica Generalized stem wood (log10, Table 4)](https://treeallometry.org/equations/gwon-2014-gen-stem-wood/), Gwon et al. 2014: Cryptomeria japonica, South Korea; inputs DBH; 10 trees.
- [Cryptomeria japonica High-density stand stem (wood + bark) (log10, Table 4)](https://treeallometry.org/equations/gwon-2014-high-stem/), Gwon et al. 2014: Cryptomeria japonica, South Korea; inputs DBH; 5 trees.
- [Cryptomeria japonica Low-density stand stem (wood + bark) (log10, Table 4)](https://treeallometry.org/equations/gwon-2014-low-stem/), Gwon et al. 2014: Cryptomeria japonica, South Korea; inputs DBH; 5 trees.
- [Cryptomeria japonica Stem (wood + bark) from DBH (Table 3)](https://treeallometry.org/equations/jung-2014-stem/), Jung et al. 2014: Cryptomeria japonica, South Korea; inputs DBH; DBH 13–28 cm; 18 trees.
- [Dahurian larch stem biomass from D and H (MS-3) (Table 6)](https://treeallometry.org/equations/dong-2018-larch-ms3-stem/), Dong et al. 2018: Larix gmelinii, China; inputs DBH + Height; DBH 1.7–28.4 cm; 138 trees.
- [Dahurian larch stem biomass from D only (MS-2) (Table 5)](https://treeallometry.org/equations/dong-2018-larch-ms2-stem/), Dong et al. 2018: Larix gmelinii, China; inputs DBH; DBH 1.7–28.4 cm; 138 trees.
- [Dahurian larch stem biomass from D, H and crown width, system MS-4 (Table 7)](https://treeallometry.org/equations/dong-2018-larch-ms4-stem-dhcw/), Dong et al. 2018: Larix gmelinii, China; inputs DBH + Height + Crown diameter; DBH 1.7–28.4 cm; 138 trees.
- [Douglas-fir bole biomass, simple SUR (D only)](https://treeallometry.org/equations/poudel-2016-df-stem/), Poudel & Temesgen 2016: Pseudotsuga menziesii, United States; inputs DBH; DBH 19.3–114 cm; 22 trees.
- [Eucalyptus camaldulensis stem (wood + bark) biomass from D](https://treeallometry.org/equations/ounban-2016-euca-stem-d/), Ounban et al. 2016: Eucalyptus camaldulensis, Thailand; inputs DBH; DBH 0.5–19.8 cm; 94 trees.
- [Eucalyptus camaldulensis stem (wood + bark) biomass from D²H](https://treeallometry.org/equations/ounban-2016-euca-stem-d2h/), Ounban et al. 2016: Eucalyptus camaldulensis, Thailand; inputs DBH + Height; DBH 0.5–19.8 cm; 94 trees.
- [Eucalyptus globulus stem dry weight to 10 cm top (Cuadro 2)](https://treeallometry.org/equations/prado-1991-stem-f10-d2h/), Prado Donoso & Alarcón Maya 1991: Eucalyptus globulus subsp. globulus, Chile; inputs DBH + Height; 41 trees.
- [Eucalyptus globulus stem dry weight to 4 cm top (Cuadro 2)](https://treeallometry.org/equations/prado-1991-stem-f4-d2h/), Prado Donoso & Alarcón Maya 1991: Eucalyptus globulus subsp. globulus, Chile; inputs DBH + Height; 41 trees.
- [Euterpe precatoria stem mass from D2Hrho](https://treeallometry.org/equations/da-silva-2015-ms-d2hrho/), Da Silva et al. 2015: Euterpe precatoria, Brazil; inputs DBH + Stem height + Wood density; DBH 3.9–12.7 cm; 20 trees.
- [Fagus sylvatica stem with bark biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-fagus-sylvatica-stem/), Ruiz-Peinado et al. 2012: Fagus sylvatica, Spain; inputs DBH + Height; DBH 9.5–74.8 cm; 72 trees.
- [Fraxinus angustifolia stem with bark biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-fraxinus-angustifolia-stem/), Ruiz-Peinado et al. 2012: Fraxinus angustifolia, Spain; inputs DBH + Height; DBH 7.2–52.2 cm; 26 trees.
- [Generic stem biomass from Dbh (Lama forest)](https://treeallometry.org/equations/goussanou-2016-generic-stem-biomass-d/), Goussanou et al. 2016: Eighteen dominant tree species of Lama forest plus species from Guendehou et al. (2012), Benin; inputs DBH; 617 trees.
- [Gray alder, Arkhangelsk: stem biomass (in bark) from D (Table 2)](https://treeallometry.org/equations/karaban-2023-stem-d/), Karaban et al. 2023: Alnus incana, Russia; inputs DBH; DBH 3.6–16.9 cm; 50 trees.
- [Grey alder trunk wood (bark excluded) dry mass from DBH (general equation)](https://treeallometry.org/equations/tretyakov-2022-wood/), Tretyakov et al. 2022: Alnus incana, Russia; inputs DBH; DBH 4–17 cm; 21 trees.
- [Guangzhou subtropical forest stem biomass, Model 1 (DBH only)](https://treeallometry.org/equations/zhao-2019-stem-model1/), Zhao et al. 2019: Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China; inputs DBH; DBH 4.2–61.2 cm; 144 trees.
- [Holoptelea grandis stem biomass from Dbh](https://treeallometry.org/equations/goussanou-2016-holoptelea-grandis-stem-biomass-d/), Goussanou et al. 2016: Holoptelea grandis, Benin; inputs DBH; DBH 3.5–32.9 cm; 34 trees.
- [Khaya senegalensis stem biomass from Dbh](https://treeallometry.org/equations/goussanou-2016-khaya-senegalensis-stem-biomass-d/), Goussanou et al. 2016: Khaya senegalensis, Benin; inputs DBH; DBH 3.7–40.2 cm; 27 trees.
- [Korean pine stem biomass from D and H (System 2, Table 4)](https://treeallometry.org/equations/dong-2016-korean-pine-sys2-stem/), Dong et al. 2016: Pinus koraiensis, China; inputs DBH + Height; DBH 5.4–33.4 cm; 114 trees.
- [Korean pine stem biomass from D only (System 1, Table 4)](https://treeallometry.org/equations/dong-2016-korean-pine-sys1-stem/), Dong et al. 2016: Pinus koraiensis, China; inputs DBH; DBH 5.4–33.4 cm; 114 trees.
- [Larch (Larix gmelinii) stem biomass from D and H (System 2, Table 4)](https://treeallometry.org/equations/dong-2016-larch-sys2-stem/), Dong et al. 2016: Larix gmelinii, China; inputs DBH + Height; DBH 7.6–35.7 cm; 90 trees.
- [Larch (Larix gmelinii) stem biomass from D only (System 1, Table 4)](https://treeallometry.org/equations/dong-2016-larch-sys1-stem/), Dong et al. 2016: Larix gmelinii, China; inputs DBH; DBH 7.6–35.7 cm; 90 trees.
- [Larch stem biomass from DBH and height, AMS2](https://treeallometry.org/equations/dong-2020-ams2-stem-d-h/), Dong et al. 2020: Larix olgensis, China; inputs DBH + Height; DBH 2–35.7 cm; 229 trees.
- [Larix cajanderi, Magadan Oblast, stem (wood plus bark) biomass from DBH (Table 5)](https://treeallometry.org/equations/delcourt-2022-magadan-stem/), Delcourt & Veraverbeke 2022: Larix cajanderi, Russia; inputs DBH; DBH 3.9–52.8 cm; 43 trees.
- [Larix cajanderi, Ust-Yansky district, stem (wood plus bark) biomass from DBH (Table 5)](https://treeallometry.org/equations/delcourt-2022-ustyansky-stem/), Delcourt & Veraverbeke 2022: Larix cajanderi, Russia; inputs DBH; DBH 1.8–18.9 cm; 20 trees.
- [Liriodendron tulipifera Stem W = a(D^2H)^b (Table 11)](https://treeallometry.org/equations/kang-2016-stem-pow-d2h/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH + Height; DBH 5.9–38.7 cm; 40 trees.
- [Liriodendron tulipifera Stem W = aD + bD^2 (Table 10)](https://treeallometry.org/equations/kang-2016-stem-quad-d/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH; DBH 5.9–38.7 cm; 40 trees.
- [Liriodendron tulipifera Stem W = aD^2H (Table 11)](https://treeallometry.org/equations/kang-2016-stem-d2h/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH + Height; DBH 5.9–38.7 cm; 40 trees.
- [Liriodendron tulipifera Stem W = aD^b (Table 10)](https://treeallometry.org/equations/kang-2016-stem-pow-d/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH; DBH 5.9–38.7 cm; 40 trees.
- [Liriodendron tulipifera Stem W = aD^b H^c (Table 11)](https://treeallometry.org/equations/kang-2016-stem-pow-dh/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH + Height; DBH 5.9–38.7 cm; 40 trees.
- [Lodgepole pine bole biomass, simple SUR (D only)](https://treeallometry.org/equations/poudel-2016-lp-stem/), Poudel & Temesgen 2016: Pinus contorta, United States; inputs DBH; DBH 13.5–42.9 cm; 33 trees.
- [Mixed mangrove stem biomass, power model (D)](https://treeallometry.org/equations/abdul-hamid-2022-stem-d/), Abdul-Hamid et al. 2022: Seven mangrove species (Bruguiera cylindrica, B. parviflora, B. sexangula, Ceriops tagal, Rhizophora apiculata, R. mucronata, Xylocarpus granatum), Malaysia; inputs DBH; DBH 9–33 cm; 15 trees.
- [Mixed mangrove stem biomass, power model (D^2 H)](https://treeallometry.org/equations/abdul-hamid-2022-stem-d2h/), Abdul-Hamid et al. 2022: Seven mangrove species (Bruguiera cylindrica, B. parviflora, B. sexangula, Ceriops tagal, Rhizophora apiculata, R. mucronata, Xylocarpus granatum), Malaysia; inputs DBH + Height; DBH 9–33 cm; 15 trees.
- [Mongolian pine (Pinus sylvestris var. mongolica) stem biomass from D and H (System 2, Table 4)](https://treeallometry.org/equations/dong-2016-mongolian-pine-sys2-stem/), Dong et al. 2016: Pinus sylvestris var. mongolica, China; inputs DBH + Height; DBH 6–38.7 cm; 85 trees.
- [Mongolian pine (Pinus sylvestris var. mongolica) stem biomass from D only (System 1, Table 4)](https://treeallometry.org/equations/dong-2016-mongolian-pine-sys1-stem/), Dong et al. 2016: Pinus sylvestris var. mongolica, China; inputs DBH; DBH 6–38.7 cm; 85 trees.
- [Mongolian pine plantation stem biomass from D and H, Mu Us (Table 3)](https://treeallometry.org/equations/siqing-2022-stem/), Siqing et al. 2022: Pinus sylvestris var. mongolica, China; inputs DBH + Height; DBH 2.4–44.2 cm; 131 trees.
- [Multi-species short-stature trees stem biomass, cross-sectional area at 0.3 m (LLRC)](https://treeallometry.org/equations/flade-2021-multi-stem-llrc/), Flade et al. 2021: Multi-species short-stature trees (all tree genera/species sampled), Canada; inputs D30; 105 trees.
- [Multi-species short-stature trees stem biomass, cross-sectional area at 0.3 m (NLS)](https://treeallometry.org/equations/flade-2021-multi-stem-nls/), Flade et al. 2021: Multi-species short-stature trees (all tree genera/species sampled), Canada; inputs D30; 105 trees.
- [Norway spruce stem biomass, young dense stands, N Sweden (Table 5)](https://treeallometry.org/equations/repola-2014-stem-spruce/), Repola & Ahnlund Ulvcrona 2014: Picea abies, Sweden; inputs DBH; DBH 1–21 cm; 68 trees.
- [Norway spruce, Czech Republic: Stem biomass from D (Table 2)](https://treeallometry.org/equations/cihak-2018-stem-d/), Čihák & Vejpustková 2018: Picea abies, Czechia; inputs DBH; 139 trees.
- [Norway spruce, Czech Republic: Stem biomass from D and H/D (Table 2)](https://treeallometry.org/equations/cihak-2018-stem-d-hd/), Čihák & Vejpustková 2018: Picea abies, Czechia; inputs DBH + Height; 139 trees.
- [Olea europaea var. sylvestris stem with bark biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-olea-europaea-stem/), Ruiz-Peinado et al. 2012: Olea europaea var. sylvestris, Spain; inputs DBH + Height; DBH 10–40.5 cm; 17 trees.
- [Parque Cerrado, stem biomass with bark, independent fit (Table 2)](https://treeallometry.org/equations/santana-2021-stem-independent/), Santana et al. 2021: Parque Cerrado tree species (mixed), Brazil; inputs DBH + Height; 97 trees.
- [Parque Cerrado, stem biomass with bark, simultaneous WNSUR fit (Table 4)](https://treeallometry.org/equations/santana-2021-stem-wnsur/), Santana et al. 2021: Parque Cerrado tree species (mixed), Brazil; inputs DBH + Height; 97 trees.
- [Picea spp. stem biomass, cross-sectional area at 0.3 m (LLRC)](https://treeallometry.org/equations/flade-2021-picea-stem-llrc/), Flade et al. 2021: Picea spp., Canada; inputs D30.
- [Picea spp. stem biomass, cross-sectional area at 0.3 m (NLS)](https://treeallometry.org/equations/flade-2021-picea-stem-nls/), Flade et al. 2021: Picea spp., Canada; inputs D30.
- [Pinus brutia stem biomass, Lebanon (Eq. 35)](https://treeallometry.org/equations/de-miguel-2014-lebanon-stem-35/), de-Miguel et al. 2014: Pinus brutia, Lebanon; inputs DBH + Height; 101 trees.
- [Pinus brutia stem biomass, Lebanon (Eq. 36)](https://treeallometry.org/equations/de-miguel-2014-lebanon-stem-36/), de-Miguel et al. 2014: Pinus brutia, Lebanon; inputs DBH; 101 trees.
- [Pinus brutia stem biomass, Middle East (Eq. 45)](https://treeallometry.org/equations/de-miguel-2014-middle-east-stem-45/), de-Miguel et al. 2014: Pinus brutia, Syria, Lebanon; inputs DBH + Height; DBH 2.3–55.8 cm; 201 trees.
- [Pinus brutia stem biomass, Middle East (Eq. 46)](https://treeallometry.org/equations/de-miguel-2014-middle-east-stem-46/), de-Miguel et al. 2014: Pinus brutia, Syria, Lebanon; inputs DBH; DBH 2.3–55.8 cm; 201 trees.
- [Pinus brutia stem biomass, Syria (Eq. 25)](https://treeallometry.org/equations/de-miguel-2014-syria-stem-25/), de-Miguel et al. 2014: Pinus brutia, Syria; inputs DBH + Height; 100 trees.
- [Pinus brutia stem biomass, Syria (Eq. 26)](https://treeallometry.org/equations/de-miguel-2014-syria-stem-26/), de-Miguel et al. 2014: Pinus brutia, Syria; inputs DBH; 100 trees.
- [Pinus caribaea trunk (stem with bark) biomass from DBH, height and wood density (simultaneous fit)](https://treeallometry.org/equations/coutinho-2018-trunk-sur/), Coutinho et al. 2018: Pinus caribaea var. hondurensis, Brazil; inputs DBH + Height + Wood density; DBH 8.2–23.7 cm; 20 trees.
- [Pinus cembroides stem biomass from DBH (cubic in ln D)](https://treeallometry.org/equations/marroquin-2018-cembroides-stem/), Marroquín Morales et al. 2018: Pinus cembroides Zucc., Mexico; inputs DBH; DBH 6.1–11 cm; 50 trees.
- [Pinus cembroides, additive system S2 (D and H): stem biomass](https://treeallometry.org/equations/cuevas-2020-s2-stem/), Cuevas Cruz & Aquino Ramírez 2020: Pinus cembroides Zucc., Mexico; inputs DBH + Height; DBH 3–40 cm; 21 trees.
- [Pinus halepensis stem biomass from DBH and height (combined variable)](https://treeallometry.org/equations/marroquin-2018-halepensis-stem/), Marroquín Morales et al. 2018: Pinus halepensis Mill., Mexico; inputs DBH + Height; DBH 6.9–22.8 cm; 50 trees.
- [Pinus patula Stem biomass from D and H (Table 4)](https://treeallometry.org/equations/martinez-dominguez-2020-stem/), Martínez-Domínguez et al. 2020: Pinus patula, Mexico; inputs DBH + Height; DBH 3.5–25.7 cm; 25 trees.
- [Pinus sylvestris stem in bark biomass vs DBH (Eq. 4), forest-swamp, Middle Urals](https://treeallometry.org/equations/petrova-2026-pine-st/), Petrova et al. 2026: Pinus sylvestris, Russia; inputs DBH; DBH 2.4–21.3 cm; 12 trees.
- [Piscidia piscipula, additive system S1 (D and H, Eq. 3-6): stem biomass](https://treeallometry.org/equations/cuevas-2022-s1-stem/), Cuevas Cruz et al. 2022: Piscidia piscipula (L.) Sarg., Mexico; inputs DBH + Height; DBH 5.7–55 cm; 17 trees.
- [Piscidia piscipula, additive system S2 (D²H, Eq. 7-10): stem biomass](https://treeallometry.org/equations/cuevas-2022-s2-stem/), Cuevas Cruz et al. 2022: Piscidia piscipula (L.) Sarg., Mexico; inputs DBH + Height; DBH 5.7–55 cm; 17 trees.
- [Planted Acacia mangium, West Java, stem biomass from D, all ages (model B)](https://treeallometry.org/equations/miyakuni-2004-stem-b-all-ages/), Miyakuni et al. 2004: Acacia mangium, Indonesia; inputs DBH; 59 trees.
- [Populus balsamifera stem biomass, cross-sectional area at 0.3 m (LLRC)](https://treeallometry.org/equations/flade-2021-pobal-stem-llrc/), Flade et al. 2021: Populus balsamifera, Canada; inputs D30; 31 trees.
- [Populus balsamifera stem biomass, cross-sectional area at 0.3 m (NLS)](https://treeallometry.org/equations/flade-2021-pobal-stem-nls/), Flade et al. 2021: Populus balsamifera, Canada; inputs D30; 31 trees.
- [Populus tremuloides stem biomass, cross-sectional area at 0.3 m (LLRC)](https://treeallometry.org/equations/flade-2021-potre-stem-llrc/), Flade et al. 2021: Populus tremuloides, Canada; inputs D30; 30 trees.
- [Populus tremuloides stem biomass, cross-sectional area at 0.3 m (NLS)](https://treeallometry.org/equations/flade-2021-potre-stem-nls/), Flade et al. 2021: Populus tremuloides, Canada; inputs D30; 30 trees.
- [Populus x euramericana stem with bark biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-populus-euramericana-stem/), Ruiz-Peinado et al. 2012: Populus x euramericana, Spain; inputs DBH + Height; DBH 11.4–50.7 cm; 32 trees.
- [Quercus canariensis stem with bark biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-quercus-canariensis-stem/), Ruiz-Peinado et al. 2012: Quercus canariensis, Spain; inputs DBH + Height; DBH 10–60 cm; 23 trees.
- [Quercus candicans: stem biomass](https://treeallometry.org/equations/cortes-sanchez-2019-candicans-stem/), Cortés-Sánchez et al. 2019: Quercus candicans Née, Mexico; inputs DBH + Height; DBH 6.6–41.6 cm; 30 trees.
- [Quercus coccolobifolia: stem biomass](https://treeallometry.org/equations/cortes-sanchez-2019-coccolobifolia-stem/), Cortés-Sánchez et al. 2019: Quercus coccolobifolia Trel., Mexico; inputs DBH + Height; DBH 8.6–19.1 cm; 12 trees.
- [Quercus crassifolia, stem biomass (Eq. 4, D²H)](https://treeallometry.org/equations/ruiz-aquino-2014-crassifolia-stem/), Ruiz-Aquino et al. 2014: Quercus crassifolia Humb. & Bonpl., Mexico; inputs DBH + Height; DBH 5–31 cm; 16 trees.
- [Quercus faginea stem with bark biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-quercus-faginea-stem/), Ruiz-Peinado et al. 2012: Quercus faginea, Spain; inputs DBH; DBH 9.5–46.5 cm; 24 trees.
- [Quercus group 1 (rugosa, candicans, laurina): stem biomass](https://treeallometry.org/equations/cortes-sanchez-2019-g1-stem/), Cortés-Sánchez et al. 2019: Quercus group 1 (Q. rugosa, Q. candicans, Q. laurina), Mexico; inputs DBH + Height; DBH 5.8–48.6 cm.
- [Quercus group 2 (obtusata, coccolobifolia, sideroxyla): stem biomass](https://treeallometry.org/equations/cortes-sanchez-2019-g2-stem/), Cortés-Sánchez et al. 2019: Quercus group 2 (Q. obtusata, Q. coccolobifolia, Q. sideroxyla), Mexico; inputs DBH + Height; DBH 4.8–40.5 cm.
- [Quercus ilex stem with bark biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-quercus-ilex-stem/), Ruiz-Peinado et al. 2012: Quercus ilex, Spain; inputs DBH; DBH 7.8–85.9 cm; 43 trees.
- [Quercus laurina, stem biomass (Eq. 4, D²H)](https://treeallometry.org/equations/ruiz-aquino-2014-laurina-stem/), Ruiz-Aquino et al. 2014: Quercus laurina Humb. & Bonpl., Mexico; inputs DBH + Height; DBH 6–31 cm; 16 trees.
- [Quercus laurina: stem biomass](https://treeallometry.org/equations/cortes-sanchez-2019-laurina-stem/), Cortés-Sánchez et al. 2019: Quercus laurina Bonpl., Mexico; inputs DBH + Height; DBH 5.8–48.6 cm; 30 trees.
- [Quercus obtusata: stem biomass](https://treeallometry.org/equations/cortes-sanchez-2019-obtusata-stem/), Cortés-Sánchez et al. 2019: Quercus obtusata Bonpl., Mexico; inputs DBH + Height; DBH 6.2–37.6 cm; 34 trees.
- [Quercus rugosa: stem biomass](https://treeallometry.org/equations/cortes-sanchez-2019-rugosa-stem/), Cortés-Sánchez et al. 2019: Quercus rugosa Née, Mexico; inputs DBH + Height; DBH 7.6–44.5 cm; 26 trees.
- [Quercus sideroxyla: stem biomass](https://treeallometry.org/equations/cortes-sanchez-2019-sideroxyla-stem/), Cortés-Sánchez et al. 2019: Quercus sideroxyla Bonpl., Mexico; inputs DBH + Height; DBH 4.8–40.5 cm; 33 trees.
- [Quercus suber stem with bark biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-quercus-suber-stem/), Ruiz-Peinado et al. 2012: Quercus suber, Spain; inputs DBH + Height; DBH 10.5–83 cm; 33 trees.
- [Radiata pine stemwood from DBH (Eq. 8)](https://treeallometry.org/equations/pienaar-2025-stem-eq8/), Pienaar et al. 2025: Pinus radiata, South Africa; inputs DBH; DBH 10.4–38.9 cm.
- [Radiata pine stemwood from DBH²H (Eq. 10)](https://treeallometry.org/equations/pienaar-2025-stem-eq10/), Pienaar et al. 2025: Pinus radiata, South Africa; inputs DBH + Height; DBH 10.4–38.9 cm.
- [Scots pine stem biomass, ln-ln OLS (D and H)](https://treeallometry.org/equations/tungalag-2020-stem-dh/), Tungalag et al. 2020: Pinus sylvestris, Mongolia; inputs DBH + Height; DBH 4.7–55 cm; 35 trees.
- [Scots pine stem biomass, ln-ln OLS (D only)](https://treeallometry.org/equations/tungalag-2020-stem-d/), Tungalag et al. 2020: Pinus sylvestris, Mongolia; inputs DBH; DBH 4.7–55 cm; 35 trees.
- [Scots pine stem biomass, young dense stands, N Sweden (Table 5)](https://treeallometry.org/equations/repola-2014-stem-pine/), Repola & Ahnlund Ulvcrona 2014: Pinus sylvestris, Sweden; inputs DBH + Height; DBH 1–22 cm; 126 trees.
- [Short-stature hardwood trees stem biomass, cross-sectional area at 0.3 m (LLRC)](https://treeallometry.org/equations/flade-2021-hardwood-stem-llrc/), Flade et al. 2021: Short-stature hardwood trees (deciduous species excluding Picea spp.), Canada; inputs D30.
- [Short-stature hardwood trees stem biomass, cross-sectional area at 0.3 m (NLS)](https://treeallometry.org/equations/flade-2021-hardwood-stem-nls/), Flade et al. 2021: Short-stature hardwood trees (deciduous species excluding Picea spp.), Canada; inputs D30.
- [Six Guanajuato oaks pooled, system 1 (D and H): stem biomass](https://treeallometry.org/equations/cortes-sanchez-2019-sys1-stem/), Cortés-Sánchez et al. 2019: Quercus (six species: rugosa, obtusata, sideroxyla, coccolobifolia, laurina, candicans), Mexico; inputs DBH + Height; DBH 4.8–48.6 cm; 165 trees.
- [Six Guanajuato oaks pooled, system 2 (wood density, D and H): stem biomass](https://treeallometry.org/equations/cortes-sanchez-2019-sys2-stem/), Cortés-Sánchez et al. 2019: Quercus (six species: rugosa, obtusata, sideroxyla, coccolobifolia, laurina, candicans), Mexico; inputs Wood density + DBH + Height; DBH 4.8–48.6 cm; 165 trees.
- [Sonneratia alba stem biomass, exponential model (D)](https://treeallometry.org/equations/pathibang-2026-stem-exponential/), Pathibang et al. 2026: Sonneratia alba, Indonesia; inputs DBH; 8 trees.
- [Sonneratia alba stem biomass, multiple power model (D, H)](https://treeallometry.org/equations/pathibang-2026-stem-multiple-power/), Pathibang et al. 2026: Sonneratia alba, Indonesia; inputs DBH + Height; 8 trees.
- [Sonneratia alba stem biomass, power model (D)](https://treeallometry.org/equations/pathibang-2026-stem-power/), Pathibang et al. 2026: Sonneratia alba, Indonesia; inputs DBH; 8 trees.
- [Sonneratia apetala stem biomass, a x^b of DBH^2 \* H (Table 4)](https://treeallometry.org/equations/lwin-2026-sa-stem/), Lwin et al. 2026: Sonneratia apetala, Myanmar (Burma); inputs DBH + Height; DBH 5.1–20 cm; 15 trees.
- [Stem biomass from d2h and wood density (M8)](https://treeallometry.org/equations/teshome-2022-stembm-m8/), Teshome et al. 2022: Seven dominant species of Chilimo forest (Juniperus procera, Podocarpus falcatus, Olea africana, Allophylus abyssinicus, Olinia rochetiana, Rhus glutinosa, Scolopia theifolia), Ethiopia; inputs DBH + Height + Wood density; DBH 6.2–85 cm; 193 trees.
- [Stem biomass from DBH (M7)](https://treeallometry.org/equations/teshome-2022-stembm-m7/), Teshome et al. 2022: Seven dominant species of Chilimo forest (Juniperus procera, Podocarpus falcatus, Olea africana, Allophylus abyssinicus, Olinia rochetiana, Rhus glutinosa, Scolopia theifolia), Ethiopia; inputs DBH; DBH 6.2–85 cm; 193 trees.
- [Stem biomass from DBH, height and wood density (M9)](https://treeallometry.org/equations/teshome-2022-stembm-m9/), Teshome et al. 2022: Seven dominant species of Chilimo forest (Juniperus procera, Podocarpus falcatus, Olea africana, Allophylus abyssinicus, Olinia rochetiana, Rhus glutinosa, Scolopia theifolia), Ethiopia; inputs DBH + Height + Wood density; DBH 6.2–85 cm; 193 trees.
- [Stem biomass from rho d2h (M10, best model)](https://treeallometry.org/equations/teshome-2022-stembm-m10/), Teshome et al. 2022: Seven dominant species of Chilimo forest (Juniperus procera, Podocarpus falcatus, Olea africana, Allophylus abyssinicus, Olinia rochetiana, Rhus glutinosa, Scolopia theifolia), Ethiopia; inputs Wood density + DBH + Height; DBH 6.2–85 cm; 193 trees.
- [Stem biomass, 18-year secondary montane forest, DAP² only](https://treeallometry.org/equations/ramirez-2022-age18-stem-d2/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH.
- [Stem biomass, 18-year secondary montane forest, DAP²·Ht](https://treeallometry.org/equations/ramirez-2022-age18-stem-d2h/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH + Height.
- [Stem biomass, 30-year secondary montane forest, DAP² only](https://treeallometry.org/equations/ramirez-2022-age30-stem-d2/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH.
- [Stem biomass, 30-year secondary montane forest, DAP²·Ht](https://treeallometry.org/equations/ramirez-2022-age30-stem-d2h/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH + Height.
- [Stem biomass, 50-year secondary montane forest, DAP² only](https://treeallometry.org/equations/ramirez-2022-age50-stem-d2/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH.
- [Stem biomass, 50-year secondary montane forest, DAP²·Ht](https://treeallometry.org/equations/ramirez-2022-age50-stem-d2h/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH + Height.
- [Stem biomass, all ages pooled (general) secondary montane forest, DAP² only](https://treeallometry.org/equations/ramirez-2022-general-stem-d2/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH.
- [Stem biomass, all ages pooled (general) secondary montane forest, DAP²·Ht](https://treeallometry.org/equations/ramirez-2022-general-stem-d2h/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH + Height.
- [Stem biomass, Eucalyptus saligna young plantation, dbh only](https://treeallometry.org/equations/ramos-veintimilla-2025-stem/), Ramos-Veintimilla et al. 2025: Eucalyptus saligna, Ecuador; inputs DBH; DBH 5.9–21 cm; 46 trees.
- [Stem biomass, Pinus tecunumanii shade trees, power-law DBH+H](https://treeallometry.org/equations/chalupova-2026-stem/), Chalupová et al. 2026: Pinus tecunumanii, Peru; inputs DBH + Height; DBH 9.9–43.8 cm; 22 trees.
- [Tectona grandis stem (wood + bark) biomass from D](https://treeallometry.org/equations/ounban-2016-teak-stem-d/), Ounban et al. 2016: Tectona grandis, Thailand; inputs DBH; DBH 4.4–41.2 cm; 84 trees.
- [Tectona grandis stem (wood + bark) biomass from D²H](https://treeallometry.org/equations/ounban-2016-teak-stem-d2h/), Ounban et al. 2016: Tectona grandis, Thailand; inputs DBH + Height; DBH 4.4–41.2 cm; 84 trees.
- [Terminalia superba stem biomass from Dbh](https://treeallometry.org/equations/goussanou-2016-terminalia-superba-stem-biomass-d/), Goussanou et al. 2016: Terminalia superba, Benin; inputs DBH; DBH 8.2–44.4 cm; 37 trees.
- [Triplochiton scleroxylon stem biomass from Dbh](https://treeallometry.org/equations/goussanou-2016-triplochiton-scleroxylon-stem-biomass-d/), Goussanou et al. 2016: Triplochiton scleroxylon, Benin; inputs DBH; DBH 2.3–47.5 cm; 48 trees.
- [Understorey trunk biomass from D30, height and wood density](https://treeallometry.org/equations/ntonmen-2022-trunk-d-h-rho/), Yonkeu Ntonmen et al. 2022: Understorey trees and saplings, 184 species (stems 1–10 cm diameter), Cameroon; inputs D30 + Height + Wood density; 1,023 trees.
- [White birch stem biomass from D and H (MS-3) (Table 6)](https://treeallometry.org/equations/dong-2018-birch-ms3-stem/), Dong et al. 2018: Betula platyphylla, China; inputs DBH + Height; DBH 1.4–20.5 cm; 108 trees.
- [White birch stem biomass from D only (MS-2) (Table 5)](https://treeallometry.org/equations/dong-2018-birch-ms2-stem/), Dong et al. 2018: Betula platyphylla, China; inputs DBH; DBH 1.4–20.5 cm; 108 trees.
- [Willow (Salix spp.) stem biomass with bark, northern taiga, Arkhangelsk](https://treeallometry.org/equations/paramonov-2022-stem/), Paramonov et al. 2022: Salix, Russia; inputs DBH; 52 trees.

## Branch biomass (114)

- [Arbutus bicolor branch biomass (wood and bark)](https://treeallometry.org/equations/vargas-larreta-2017-a-bicolor-branch/), Vargas-Larreta et al. 2017: Arbutus bicolor, Mexico; inputs DBH + Height; DBH 7.9–44.8 cm; 49 trees.
- [Avicennia lanata Branch biomass from D30 (Table 1)](https://treeallometry.org/equations/hasidu-2022-branch-d30/), Hasidu et al. 2022: Avicennia lanata, Indonesia; inputs D30; 13 trees.
- [Avicennia lanata Branch biomass from DBH (Table 1)](https://treeallometry.org/equations/hasidu-2022-branch-dbh/), Hasidu et al. 2022: Avicennia lanata, Indonesia; inputs DBH; 13 trees.
- [Avicennia officinalis branch biomass, a x^b of DBH \* H (Table 3)](https://treeallometry.org/equations/lwin-2026-ao-branch/), Lwin et al. 2026: Avicennia officinalis, Myanmar (Burma); inputs DBH + Height; DBH 5–13 cm; 15 trees.
- [Bambusa procera branch biomass, D and H, two-predictor system (combination 6)](https://treeallometry.org/equations/huy-2019-dh-branch/), Huy et al. 2019: Bambusa procera, Vietnam; inputs DBH + Height; DBH 3.6–9.5 cm; 83 trees.
- [Bambusa procera branch biomass, D only system (combination 1)](https://treeallometry.org/equations/huy-2019-d-branch/), Huy et al. 2019: Bambusa procera, Vietnam; inputs DBH; DBH 3.6–9.5 cm; 83 trees.
- [Beech on dry sites, branch dry biomass including foliage from DBH (Table 3)](https://treeallometry.org/equations/chakraborty-2016-dbh-branch/), Chakraborty et al. 2016: Fagus sylvatica, Germany, Switzerland; inputs DBH; DBH 2–18 cm; 66 trees.
- [Beech saplings on dry sites, branch dry biomass including foliage from root-collar diameter (Table 2)](https://treeallometry.org/equations/chakraborty-2016-drc-branch/), Chakraborty et al. 2016: Fagus sylvatica, Germany, Switzerland; inputs Root collar diameter; 20 trees.
- [Betula papyrifera branch biomass, cross-sectional area at 0.3 m (LLRC)](https://treeallometry.org/equations/flade-2021-bepa-branch-llrc/), Flade et al. 2021: Betula papyrifera, Canada; inputs D30; 15 trees.
- [Betula papyrifera branch biomass, cross-sectional area at 0.3 m (NLS)](https://treeallometry.org/equations/flade-2021-bepa-branch-nls/), Flade et al. 2021: Betula papyrifera, Canada; inputs D30; 15 trees.
- [Betula pendula branches biomass vs DBH (Eq. 4), forest-swamp, Middle Urals](https://treeallometry.org/equations/petrova-2026-birch-br/), Petrova et al. 2026: Betula pendula, Russia; inputs DBH; DBH 1.1–17.1 cm; 18 trees.
- [Birch living branch biomass, young dense stands, N Sweden (Table 5)](https://treeallometry.org/equations/repola-2014-branch-birch/), Repola & Ahnlund Ulvcrona 2014: Betula, Sweden; inputs DBH + Height; DBH 1–11 cm; 86 trees.
- [Branch biomass, 18-year secondary montane forest, DAP² only](https://treeallometry.org/equations/ramirez-2022-age18-branch-d2/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH.
- [Branch biomass, 18-year secondary montane forest, DAP²·Ht](https://treeallometry.org/equations/ramirez-2022-age18-branch-d2h/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH + Height.
- [Branch biomass, 30-year secondary montane forest, DAP² only](https://treeallometry.org/equations/ramirez-2022-age30-branch-d2/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH.
- [Branch biomass, 30-year secondary montane forest, DAP²·Ht](https://treeallometry.org/equations/ramirez-2022-age30-branch-d2h/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH + Height.
- [Branch biomass, 50-year secondary montane forest, DAP² only](https://treeallometry.org/equations/ramirez-2022-age50-branch-d2/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH.
- [Branch biomass, 50-year secondary montane forest, DAP²·Ht](https://treeallometry.org/equations/ramirez-2022-age50-branch-d2h/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH + Height.
- [Branch biomass, all ages pooled (general) secondary montane forest, DAP² only](https://treeallometry.org/equations/ramirez-2022-general-branch-d2/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH.
- [Branch biomass, all ages pooled (general) secondary montane forest, DAP²·Ht](https://treeallometry.org/equations/ramirez-2022-general-branch-d2h/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH + Height.
- [Branch biomass, Eucalyptus saligna young plantation, dbh only](https://treeallometry.org/equations/ramos-veintimilla-2025-branch/), Ramos-Veintimilla et al. 2025: Eucalyptus saligna, Ecuador; inputs DBH; DBH 5.9–21 cm; 46 trees.
- [Branch biomass, Pinus tecunumanii shade trees, power-law DBH+H](https://treeallometry.org/equations/chalupova-2026-branch/), Chalupová et al. 2026: Pinus tecunumanii, Peru; inputs DBH + Height; DBH 9.9–43.8 cm; 22 trees.
- [Chinese pine branch biomass from DBH (age-sequence plantations)](https://treeallometry.org/equations/shen-2025-branch-d/), Shen et al. 2025: Pinus tabuliformis, China; inputs DBH; 60 trees.
- [Cryptomeria japonica Branch from DBH (Table 3)](https://treeallometry.org/equations/jung-2014-branch/), Jung et al. 2014: Cryptomeria japonica, South Korea; inputs DBH; DBH 13–28 cm; 18 trees.
- [Cryptomeria japonica Generalized branch (log10, Table 4)](https://treeallometry.org/equations/gwon-2014-gen-branch/), Gwon et al. 2014: Cryptomeria japonica, South Korea; inputs DBH; 10 trees.
- [Dahurian larch branch biomass from D and H (MS-3) (Table 6)](https://treeallometry.org/equations/dong-2018-larch-ms3-branch/), Dong et al. 2018: Larix gmelinii, China; inputs DBH + Height; DBH 1.7–28.4 cm; 138 trees.
- [Dahurian larch branch biomass from D only (MS-2) (Table 5)](https://treeallometry.org/equations/dong-2018-larch-ms2-branch/), Dong et al. 2018: Larix gmelinii, China; inputs DBH; DBH 1.7–28.4 cm; 138 trees.
- [Douglas-fir branch biomass, simple SUR (D only)](https://treeallometry.org/equations/poudel-2016-df-branch/), Poudel & Temesgen 2016: Pseudotsuga menziesii, United States; inputs DBH; DBH 19.3–114 cm; 22 trees.
- [Eucalyptus globulus branch (>4 cm) dry weight (Cuadro 2)](https://treeallometry.org/equations/prado-1991-branches-d-d2h/), Prado Donoso & Alarcón Maya 1991: Eucalyptus globulus subsp. globulus, Chile; inputs DBH + Height; 41 trees.
- [Gray alder, Arkhangelsk: branch biomass from D (Table 2)](https://treeallometry.org/equations/karaban-2023-branch-d/), Karaban et al. 2023: Alnus incana, Russia; inputs DBH; DBH 3.6–16.9 cm; 50 trees.
- [Grey alder branches dry mass from DBH (general equation)](https://treeallometry.org/equations/tretyakov-2022-branches/), Tretyakov et al. 2022: Alnus incana, Russia; inputs DBH; DBH 4–17 cm; 21 trees.
- [Guangzhou subtropical forest branch biomass, Model 1 (DBH only)](https://treeallometry.org/equations/zhao-2019-branch-model1/), Zhao et al. 2019: Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China; inputs DBH; DBH 4.2–61.2 cm; 144 trees.
- [Juniperus deppeana branch biomass (wood and bark)](https://treeallometry.org/equations/vargas-larreta-2017-j-deppeana-branch/), Vargas-Larreta et al. 2017: Juniperus deppeana, Mexico; inputs DBH + Height; DBH 10–43.7 cm; 48 trees.
- [Korean pine branch biomass from D and H (System 2, Table 4)](https://treeallometry.org/equations/dong-2016-korean-pine-sys2-branch/), Dong et al. 2016: Pinus koraiensis, China; inputs DBH + Height; DBH 5.4–33.4 cm; 114 trees.
- [Korean pine branch biomass from D only (System 1, Table 4)](https://treeallometry.org/equations/dong-2016-korean-pine-sys1-branch/), Dong et al. 2016: Pinus koraiensis, China; inputs DBH; DBH 5.4–33.4 cm; 114 trees.
- [Larch (Larix gmelinii) branch biomass from D and H (System 2, Table 4)](https://treeallometry.org/equations/dong-2016-larch-sys2-branch/), Dong et al. 2016: Larix gmelinii, China; inputs DBH + Height; DBH 7.6–35.7 cm; 90 trees.
- [Larch (Larix gmelinii) branch biomass from D only (System 1, Table 4)](https://treeallometry.org/equations/dong-2016-larch-sys1-branch/), Dong et al. 2016: Larix gmelinii, China; inputs DBH; DBH 7.6–35.7 cm; 90 trees.
- [Larch branch biomass from DBH and height, AMS2](https://treeallometry.org/equations/dong-2020-ams2-branch-d-h/), Dong et al. 2020: Larix olgensis, China; inputs DBH + Height; DBH 2–35.7 cm; 229 trees.
- [Larix cajanderi, Magadan Oblast, branch biomass from DBH (Table 5)](https://treeallometry.org/equations/delcourt-2022-magadan-branch/), Delcourt & Veraverbeke 2022: Larix cajanderi, Russia; inputs DBH; DBH 3.9–52.8 cm; 43 trees.
- [Larix cajanderi, Ust-Yansky district, branch biomass from DBH (Table 5)](https://treeallometry.org/equations/delcourt-2022-ustyansky-branch/), Delcourt & Veraverbeke 2022: Larix cajanderi, Russia; inputs DBH; DBH 1.8–18.9 cm; 20 trees.
- [Liriodendron tulipifera Branch W = a(D^2H)^b (Table 11)](https://treeallometry.org/equations/kang-2016-branch-pow-d2h/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH + Height; DBH 5.9–38.7 cm; 40 trees.
- [Liriodendron tulipifera Branch W = aD + bD^2 (Table 10)](https://treeallometry.org/equations/kang-2016-branch-quad-d/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH; DBH 5.9–38.7 cm; 40 trees.
- [Liriodendron tulipifera Branch W = aD^2H (Table 11)](https://treeallometry.org/equations/kang-2016-branch-d2h/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH + Height; DBH 5.9–38.7 cm; 40 trees.
- [Liriodendron tulipifera Branch W = aD^b (Table 10)](https://treeallometry.org/equations/kang-2016-branch-pow-d/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH; DBH 5.9–38.7 cm; 40 trees.
- [Liriodendron tulipifera Branch W = aD^b H^c (Table 11)](https://treeallometry.org/equations/kang-2016-branch-pow-dh/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH + Height; DBH 5.9–38.7 cm; 40 trees.
- [Lodgepole pine branch biomass, simple SUR (D only)](https://treeallometry.org/equations/poudel-2016-lp-branch/), Poudel & Temesgen 2016: Pinus contorta, United States; inputs DBH; DBH 13.5–42.9 cm; 33 trees.
- [Mixed mangrove branch and twig biomass, power model (D)](https://treeallometry.org/equations/abdul-hamid-2022-branch-d/), Abdul-Hamid et al. 2022: Seven mangrove species (Bruguiera cylindrica, B. parviflora, B. sexangula, Ceriops tagal, Rhizophora apiculata, R. mucronata, Xylocarpus granatum), Malaysia; inputs DBH; DBH 9–33 cm; 15 trees.
- [Mixed mangrove branch and twig biomass, power model (D^2 H)](https://treeallometry.org/equations/abdul-hamid-2022-branch-d2h/), Abdul-Hamid et al. 2022: Seven mangrove species (Bruguiera cylindrica, B. parviflora, B. sexangula, Ceriops tagal, Rhizophora apiculata, R. mucronata, Xylocarpus granatum), Malaysia; inputs DBH + Height; DBH 9–33 cm; 15 trees.
- [Mongolian pine (Pinus sylvestris var. mongolica) branch biomass from D and H (System 2, Table 4)](https://treeallometry.org/equations/dong-2016-mongolian-pine-sys2-branch/), Dong et al. 2016: Pinus sylvestris var. mongolica, China; inputs DBH + Height; DBH 6–38.7 cm; 85 trees.
- [Mongolian pine (Pinus sylvestris var. mongolica) branch biomass from D only (System 1, Table 4)](https://treeallometry.org/equations/dong-2016-mongolian-pine-sys1-branch/), Dong et al. 2016: Pinus sylvestris var. mongolica, China; inputs DBH; DBH 6–38.7 cm; 85 trees.
- [Mongolian pine plantation branch biomass from D, Mu Us (Table 3)](https://treeallometry.org/equations/siqing-2022-branch/), Siqing et al. 2022: Pinus sylvestris var. mongolica, China; inputs DBH; DBH 2.4–44.2 cm; 131 trees.
- [Multi-species short-stature trees branch biomass, cross-sectional area at 0.3 m (LLRC)](https://treeallometry.org/equations/flade-2021-multi-branch-llrc/), Flade et al. 2021: Multi-species short-stature trees (all tree genera/species sampled), Canada; inputs D30; 105 trees.
- [Multi-species short-stature trees branch biomass, cross-sectional area at 0.3 m (NLS)](https://treeallometry.org/equations/flade-2021-multi-branch-nls/), Flade et al. 2021: Multi-species short-stature trees (all tree genera/species sampled), Canada; inputs D30; 105 trees.
- [Natural larch branch biomass from dbh (Table 5, with CF)](https://treeallometry.org/equations/meng-2019-branch/), Meng et al. 2019: Larix gmelinii, China; inputs DBH; DBH 3.2–52 cm; 58 trees.
- [Norway spruce living branch biomass, young dense stands, N Sweden (Table 5)](https://treeallometry.org/equations/repola-2014-branch-spruce/), Repola & Ahnlund Ulvcrona 2014: Picea abies, Sweden; inputs DBH + Height; DBH 1–21 cm; 68 trees.
- [Oak branch biomass from D and crown width, additive system 2 (Table 4)](https://treeallometry.org/equations/meng-2021-branch-dcw/), Meng et al. 2021: Quercus (Q. mongolica and Q. wutaishanica), China; inputs DBH + Crown diameter; DBH 1.5–33 cm; 159 trees.
- [Oak branch biomass from D, additive system 1 (Table 4)](https://treeallometry.org/equations/meng-2021-branch-d/), Meng et al. 2021: Quercus (Q. mongolica and Q. wutaishanica), China; inputs DBH; DBH 1.5–33 cm; 159 trees.
- [Picea spp. branch biomass, cross-sectional area at 0.3 m (LLRC)](https://treeallometry.org/equations/flade-2021-picea-branch-llrc/), Flade et al. 2021: Picea spp., Canada; inputs D30.
- [Picea spp. branch biomass, cross-sectional area at 0.3 m (NLS)](https://treeallometry.org/equations/flade-2021-picea-branch-nls/), Flade et al. 2021: Picea spp., Canada; inputs D30.
- [Pinus branch biomass (wood and bark)](https://treeallometry.org/equations/vargas-larreta-2017-all-pines-branch/), Vargas-Larreta et al. 2017: Pinus, Mexico; inputs DBH + Height.
- [Pinus brutia branch biomass, Lebanon (Eq. 31)](https://treeallometry.org/equations/de-miguel-2014-lebanon-branch-31/), de-Miguel et al. 2014: Pinus brutia, Lebanon; inputs DBH + Height; 101 trees.
- [Pinus brutia branch biomass, Lebanon (Eq. 32)](https://treeallometry.org/equations/de-miguel-2014-lebanon-branch-32/), de-Miguel et al. 2014: Pinus brutia, Lebanon; inputs DBH; 101 trees.
- [Pinus brutia branch biomass, Middle East (Eq. 41)](https://treeallometry.org/equations/de-miguel-2014-middle-east-branch-41/), de-Miguel et al. 2014: Pinus brutia, Syria, Lebanon; inputs DBH + Height; DBH 2.3–55.8 cm; 201 trees.
- [Pinus brutia branch biomass, Middle East (Eq. 42)](https://treeallometry.org/equations/de-miguel-2014-middle-east-branch-42/), de-Miguel et al. 2014: Pinus brutia, Syria, Lebanon; inputs DBH; DBH 2.3–55.8 cm; 201 trees.
- [Pinus brutia branch biomass, Syria (Eq. 22)](https://treeallometry.org/equations/de-miguel-2014-syria-branch-22/), de-Miguel et al. 2014: Pinus brutia, Syria; inputs DBH; 100 trees.
- [Pinus caribaea branch biomass from DBH (simultaneous fit)](https://treeallometry.org/equations/coutinho-2018-branches-sur/), Coutinho et al. 2018: Pinus caribaea var. hondurensis, Brazil; inputs DBH; DBH 8.2–23.7 cm; 20 trees.
- [Pinus cembroides, additive system S2 (D and H): branch biomass](https://treeallometry.org/equations/cuevas-2020-s2-branch/), Cuevas Cruz & Aquino Ramírez 2020: Pinus cembroides Zucc., Mexico; inputs DBH + Height; DBH 3–40 cm; 21 trees.
- [Pinus cooperi branch biomass (wood and bark)](https://treeallometry.org/equations/vargas-larreta-2017-p-cooperi-branch/), Vargas-Larreta et al. 2017: Pinus cooperi, Mexico; inputs DBH + Height; DBH 5.5–52.3 cm; 103 trees.
- [Pinus douglasiana and Pinus michoacana branch biomass (wood and bark)](https://treeallometry.org/equations/vargas-larreta-2017-p-douglasiana-michoacana-branch/), Vargas-Larreta et al. 2017: Pinus douglasiana and Pinus michoacana (data combined), Mexico; inputs DBH.
- [Pinus durangensis branch biomass (wood and bark)](https://treeallometry.org/equations/vargas-larreta-2017-p-durangensis-branch/), Vargas-Larreta et al. 2017: Pinus durangensis, Mexico; inputs DBH + Height; DBH 8.7–44.5 cm; 130 trees.
- [Pinus engelmannii branch biomass (wood and bark)](https://treeallometry.org/equations/vargas-larreta-2017-p-engelmannii-branch/), Vargas-Larreta et al. 2017: Pinus engelmannii, Mexico; inputs DBH + Height; DBH 6.5–51.8 cm; 89 trees.
- [Pinus herrerae branch biomass (wood and bark)](https://treeallometry.org/equations/vargas-larreta-2017-p-herrerae-branch/), Vargas-Larreta et al. 2017: Pinus herrerae, Mexico; inputs DBH; DBH 5–46.4 cm; 97 trees.
- [Pinus leiophylla branch biomass (wood and bark)](https://treeallometry.org/equations/vargas-larreta-2017-p-leiophylla-branch/), Vargas-Larreta et al. 2017: Pinus leiophylla, Mexico; inputs DBH + Height; DBH 8.4–55.3 cm; 84 trees.
- [Pinus lumholtzii branch biomass (wood and bark)](https://treeallometry.org/equations/vargas-larreta-2017-p-lumholtzii-branch/), Vargas-Larreta et al. 2017: Pinus lumholtzii, Mexico; inputs DBH; DBH 5–42 cm; 35 trees.
- [Pinus oocarpa branch biomass (wood and bark)](https://treeallometry.org/equations/vargas-larreta-2017-p-oocarpa-branch/), Vargas-Larreta et al. 2017: Pinus oocarpa, Mexico; inputs DBH; DBH 7.5–35.7 cm; 37 trees.
- [Pinus patula Branch biomass from D and H (Table 4)](https://treeallometry.org/equations/martinez-dominguez-2020-branch/), Martínez-Domínguez et al. 2020: Pinus patula, Mexico; inputs DBH + Height; DBH 3.5–25.7 cm; 25 trees.
- [Pinus strobiformis branch biomass (wood and bark)](https://treeallometry.org/equations/vargas-larreta-2017-p-strobiformis-branch/), Vargas-Larreta et al. 2017: Pinus strobiformis, Mexico; inputs DBH + Height; DBH 5–49 cm; 98 trees.
- [Pinus sylvestris branches biomass vs DBH (Eq. 4), forest-swamp, Middle Urals](https://treeallometry.org/equations/petrova-2026-pine-br/), Petrova et al. 2026: Pinus sylvestris, Russia; inputs DBH; DBH 2.4–21.3 cm; 12 trees.
- [Pinus teocote branch biomass (wood and bark)](https://treeallometry.org/equations/vargas-larreta-2017-p-teocote-branch/), Vargas-Larreta et al. 2017: Pinus teocote, Mexico; inputs DBH + Height; DBH 10–45 cm; 81 trees.
- [Piscidia piscipula, additive system S1 (D and H, Eq. 3-6): branch biomass](https://treeallometry.org/equations/cuevas-2022-s1-branch/), Cuevas Cruz et al. 2022: Piscidia piscipula (L.) Sarg., Mexico; inputs DBH + Height; DBH 5.7–55 cm; 17 trees.
- [Piscidia piscipula, additive system S2 (D²H, Eq. 7-10): branch biomass](https://treeallometry.org/equations/cuevas-2022-s2-branch/), Cuevas Cruz et al. 2022: Piscidia piscipula (L.) Sarg., Mexico; inputs DBH + Height; DBH 5.7–55 cm; 17 trees.
- [Planted Acacia mangium, West Java, branch biomass from D, all ages (model B)](https://treeallometry.org/equations/miyakuni-2004-branch-b-all-ages/), Miyakuni et al. 2004: Acacia mangium, Indonesia; inputs DBH; 59 trees.
- [Populus balsamifera branch biomass, cross-sectional area at 0.3 m (LLRC)](https://treeallometry.org/equations/flade-2021-pobal-branch-llrc/), Flade et al. 2021: Populus balsamifera, Canada; inputs D30; 31 trees.
- [Populus balsamifera branch biomass, cross-sectional area at 0.3 m (NLS)](https://treeallometry.org/equations/flade-2021-pobal-branch-nls/), Flade et al. 2021: Populus balsamifera, Canada; inputs D30; 31 trees.
- [Populus tremuloides branch biomass, cross-sectional area at 0.3 m (LLRC)](https://treeallometry.org/equations/flade-2021-potre-branch-llrc/), Flade et al. 2021: Populus tremuloides, Canada; inputs D30; 30 trees.
- [Populus tremuloides branch biomass, cross-sectional area at 0.3 m (NLS)](https://treeallometry.org/equations/flade-2021-potre-branch-nls/), Flade et al. 2021: Populus tremuloides, Canada; inputs D30; 30 trees.
- [Quercus branch biomass (wood and bark)](https://treeallometry.org/equations/vargas-larreta-2017-all-oaks-branch/), Vargas-Larreta et al. 2017: Quercus, Mexico; inputs DBH + Height.
- [Quercus candicans: branch biomass](https://treeallometry.org/equations/cortes-sanchez-2019-candicans-branch/), Cortés-Sánchez et al. 2019: Quercus candicans Née, Mexico; inputs DBH; DBH 6.6–41.6 cm; 30 trees.
- [Quercus coccolobifolia: branch biomass](https://treeallometry.org/equations/cortes-sanchez-2019-coccolobifolia-branch/), Cortés-Sánchez et al. 2019: Quercus coccolobifolia Trel., Mexico; inputs DBH + Height; DBH 8.6–19.1 cm; 12 trees.
- [Quercus crassifolia branch biomass (wood and bark)](https://treeallometry.org/equations/vargas-larreta-2017-q-crassifolia-branch/), Vargas-Larreta et al. 2017: Quercus crassifolia, Mexico; inputs DBH + Height; DBH 8.5–43.1 cm; 108 trees.
- [Quercus crassifolia, branch biomass (Eq. 4, D²H)](https://treeallometry.org/equations/ruiz-aquino-2014-crassifolia-branch/), Ruiz-Aquino et al. 2014: Quercus crassifolia Humb. & Bonpl., Mexico; inputs DBH + Height; DBH 5–31 cm; 16 trees.
- [Quercus durifolia branch biomass (wood and bark)](https://treeallometry.org/equations/vargas-larreta-2017-q-durifolia-branch/), Vargas-Larreta et al. 2017: Quercus durifolia, Mexico; inputs DBH + Height; DBH 7–45.5 cm; 131 trees.
- [Quercus group 1 (rugosa, candicans, laurina): branch biomass](https://treeallometry.org/equations/cortes-sanchez-2019-g1-branch/), Cortés-Sánchez et al. 2019: Quercus group 1 (Q. rugosa, Q. candicans, Q. laurina), Mexico; inputs DBH + Height; DBH 5.8–48.6 cm.
- [Quercus group 2 (obtusata, coccolobifolia, sideroxyla): branch biomass](https://treeallometry.org/equations/cortes-sanchez-2019-g2-branch/), Cortés-Sánchez et al. 2019: Quercus group 2 (Q. obtusata, Q. coccolobifolia, Q. sideroxyla), Mexico; inputs DBH + Height; DBH 4.8–40.5 cm.
- [Quercus laurina, branch biomass (Eq. 4, D²H)](https://treeallometry.org/equations/ruiz-aquino-2014-laurina-branch/), Ruiz-Aquino et al. 2014: Quercus laurina Humb. & Bonpl., Mexico; inputs DBH + Height; DBH 6–31 cm; 16 trees.
- [Quercus laurina: branch biomass](https://treeallometry.org/equations/cortes-sanchez-2019-laurina-branch/), Cortés-Sánchez et al. 2019: Quercus laurina Bonpl., Mexico; inputs DBH + Height; DBH 5.8–48.6 cm; 30 trees.
- [Quercus obtusata: branch biomass](https://treeallometry.org/equations/cortes-sanchez-2019-obtusata-branch/), Cortés-Sánchez et al. 2019: Quercus obtusata Bonpl., Mexico; inputs DBH + Height; DBH 6.2–37.6 cm; 34 trees.
- [Quercus rugosa branch biomass (wood and bark)](https://treeallometry.org/equations/vargas-larreta-2017-q-rugosa-branch/), Vargas-Larreta et al. 2017: Quercus rugosa, Mexico; inputs DBH + Height; DBH 9.3–41.3 cm; 61 trees.
- [Quercus rugosa: branch biomass](https://treeallometry.org/equations/cortes-sanchez-2019-rugosa-branch/), Cortés-Sánchez et al. 2019: Quercus rugosa Née, Mexico; inputs DBH + Height; DBH 7.6–44.5 cm; 26 trees.
- [Quercus sideroxyla branch biomass (wood and bark)](https://treeallometry.org/equations/vargas-larreta-2017-q-sideroxyla-branch/), Vargas-Larreta et al. 2017: Quercus sideroxyla, Mexico; inputs DBH + Height; DBH 11–57 cm; 123 trees.
- [Quercus sideroxyla: branch biomass](https://treeallometry.org/equations/cortes-sanchez-2019-sideroxyla-branch/), Cortés-Sánchez et al. 2019: Quercus sideroxyla Bonpl., Mexico; inputs DBH + Height; DBH 4.8–40.5 cm; 33 trees.
- [Radiata pine branch from DBH (Eq. 8)](https://treeallometry.org/equations/pienaar-2025-branch-eq8/), Pienaar et al. 2025: Pinus radiata, South Africa; inputs DBH; DBH 10.4–38.9 cm.
- [Scots pine branch biomass, ln-ln OLS (D and H)](https://treeallometry.org/equations/tungalag-2020-branch-dh/), Tungalag et al. 2020: Pinus sylvestris, Mongolia; inputs DBH + Height; DBH 4.7–55 cm; 35 trees.
- [Scots pine branch biomass, ln-ln OLS (D only)](https://treeallometry.org/equations/tungalag-2020-branch-d/), Tungalag et al. 2020: Pinus sylvestris, Mongolia; inputs DBH; DBH 4.7–55 cm; 35 trees.
- [Scots pine living branch biomass, young dense stands, N Sweden (Table 5)](https://treeallometry.org/equations/repola-2014-branch-pine/), Repola & Ahnlund Ulvcrona 2014: Pinus sylvestris, Sweden; inputs DBH + Height; DBH 1–22 cm; 126 trees.
- [Short-stature hardwood trees branch biomass, cross-sectional area at 0.3 m (LLRC)](https://treeallometry.org/equations/flade-2021-hardwood-branch-llrc/), Flade et al. 2021: Short-stature hardwood trees (deciduous species excluding Picea spp.), Canada; inputs D30.
- [Short-stature hardwood trees branch biomass, cross-sectional area at 0.3 m (NLS)](https://treeallometry.org/equations/flade-2021-hardwood-branch-nls/), Flade et al. 2021: Short-stature hardwood trees (deciduous species excluding Picea spp.), Canada; inputs D30.
- [Six Guanajuato oaks pooled, system 1 (D and H): branch biomass](https://treeallometry.org/equations/cortes-sanchez-2019-sys1-branch/), Cortés-Sánchez et al. 2019: Quercus (six species: rugosa, obtusata, sideroxyla, coccolobifolia, laurina, candicans), Mexico; inputs DBH + Height; DBH 4.8–48.6 cm; 165 trees.
- [Six Guanajuato oaks pooled, system 2 (wood density, D and H): branch biomass](https://treeallometry.org/equations/cortes-sanchez-2019-sys2-branch/), Cortés-Sánchez et al. 2019: Quercus (six species: rugosa, obtusata, sideroxyla, coccolobifolia, laurina, candicans), Mexico; inputs Wood density + DBH + Height; DBH 4.8–48.6 cm; 165 trees.
- [Sonneratia alba branch biomass, quadratic model (D)](https://treeallometry.org/equations/pathibang-2026-branch-quadratic/), Pathibang et al. 2026: Sonneratia alba, Indonesia; inputs DBH; 8 trees.
- [Sonneratia apetala branch biomass, a x^b of DBH \* H (Table 4)](https://treeallometry.org/equations/lwin-2026-sa-branch/), Lwin et al. 2026: Sonneratia apetala, Myanmar (Burma); inputs DBH + Height; DBH 5.1–20 cm; 15 trees.
- [White birch branch biomass from D and H (MS-3) (Table 6)](https://treeallometry.org/equations/dong-2018-birch-ms3-branch/), Dong et al. 2018: Betula platyphylla, China; inputs DBH + Height; DBH 1.4–20.5 cm; 108 trees.
- [White birch branch biomass from D only (MS-2) (Table 5)](https://treeallometry.org/equations/dong-2018-birch-ms2-branch/), Dong et al. 2018: Betula platyphylla, China; inputs DBH; DBH 1.4–20.5 cm; 108 trees.
- [Willow (Salix spp.) branch biomass, northern taiga, Arkhangelsk](https://treeallometry.org/equations/paramonov-2022-branch/), Paramonov et al. 2022: Salix, Russia; inputs DBH; 52 trees.

## Foliage biomass (113)

- [Arbutus bicolor foliage biomass](https://treeallometry.org/equations/vargas-larreta-2017-a-bicolor-foliage/), Vargas-Larreta et al. 2017: Arbutus bicolor, Mexico; inputs DBH + Height; DBH 7.9–44.8 cm; 49 trees.
- [Avicennia lanata Leaf biomass from D30 (Table 1)](https://treeallometry.org/equations/hasidu-2022-leaf-d30/), Hasidu et al. 2022: Avicennia lanata, Indonesia; inputs D30; 13 trees.
- [Avicennia lanata Leaf biomass from DBH (Table 1)](https://treeallometry.org/equations/hasidu-2022-leaf-dbh/), Hasidu et al. 2022: Avicennia lanata, Indonesia; inputs DBH; 13 trees.
- [Avicennia officinalis leaf biomass, a x^b of rho \* DBH \* H (Table 3)](https://treeallometry.org/equations/lwin-2026-ao-leaf/), Lwin et al. 2026: Avicennia officinalis, Myanmar (Burma); inputs Wood density + DBH + Height; DBH 5–13 cm; 15 trees.
- [Bambusa procera leaf biomass, D and H, two-predictor system (combination 6)](https://treeallometry.org/equations/huy-2019-dh-leaf/), Huy et al. 2019: Bambusa procera, Vietnam; inputs DBH; DBH 3.6–9.5 cm; 83 trees.
- [Bambusa procera leaf biomass, D only system (combination 1)](https://treeallometry.org/equations/huy-2019-d-leaf/), Huy et al. 2019: Bambusa procera, Vietnam; inputs DBH; DBH 3.6–9.5 cm; 83 trees.
- [Betula papyrifera leaf biomass, cross-sectional area at 0.3 m (NLS)](https://treeallometry.org/equations/flade-2021-bepa-leaf-nls/), Flade et al. 2021: Betula papyrifera, Canada; inputs D30; 15 trees.
- [Betula pendula foliage biomass vs DBH (Eq. 4), forest-swamp, Middle Urals](https://treeallometry.org/equations/petrova-2026-birch-f/), Petrova et al. 2026: Betula pendula, Russia; inputs DBH; DBH 1.1–17.1 cm; 18 trees.
- [Birch foliage biomass, young dense stands, N Sweden (Table 5)](https://treeallometry.org/equations/repola-2014-foliage-birch/), Repola & Ahnlund Ulvcrona 2014: Betula, Sweden; inputs DBH; DBH 1–11 cm; 86 trees.
- [Chinese pine foliage biomass from DBH (age-sequence plantations)](https://treeallometry.org/equations/shen-2025-foliage-d/), Shen et al. 2025: Pinus tabuliformis, China; inputs DBH; 60 trees.
- [Cryptomeria japonica Generalized foliage (log10, Table 4)](https://treeallometry.org/equations/gwon-2014-gen-foliage/), Gwon et al. 2014: Cryptomeria japonica, South Korea; inputs DBH; 10 trees.
- [Cryptomeria japonica Needle (foliage) from DBH (Table 3)](https://treeallometry.org/equations/jung-2014-foliage/), Jung et al. 2014: Cryptomeria japonica, South Korea; inputs DBH; DBH 13–28 cm; 18 trees.
- [Dahurian larch foliage biomass from D and H (MS-3) (Table 6)](https://treeallometry.org/equations/dong-2018-larch-ms3-foliage/), Dong et al. 2018: Larix gmelinii, China; inputs DBH + Height; DBH 1.7–28.4 cm; 138 trees.
- [Dahurian larch foliage biomass from D only (MS-2) (Table 5)](https://treeallometry.org/equations/dong-2018-larch-ms2-foliage/), Dong et al. 2018: Larix gmelinii, China; inputs DBH; DBH 1.7–28.4 cm; 138 trees.
- [Douglas-fir foliage biomass, simple SUR (D only)](https://treeallometry.org/equations/poudel-2016-df-foliage/), Poudel & Temesgen 2016: Pseudotsuga menziesii, United States; inputs DBH; DBH 19.3–114 cm; 22 trees.
- [Eucalyptus camaldulensis leaf biomass from D²H](https://treeallometry.org/equations/ounban-2016-euca-leaf-d2h/), Ounban et al. 2016: Eucalyptus camaldulensis, Thailand; inputs DBH + Height; DBH 0.5–19.8 cm; 94 trees.
- [Foliage biomass, 18-year secondary montane forest, DAP² only](https://treeallometry.org/equations/ramirez-2022-age18-foliage-d2/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH.
- [Foliage biomass, 18-year secondary montane forest, DAP²·Ht](https://treeallometry.org/equations/ramirez-2022-age18-foliage-d2h/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH + Height.
- [Foliage biomass, 30-year secondary montane forest, DAP² only](https://treeallometry.org/equations/ramirez-2022-age30-foliage-d2/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH.
- [Foliage biomass, 30-year secondary montane forest, DAP²·Ht](https://treeallometry.org/equations/ramirez-2022-age30-foliage-d2h/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH + Height.
- [Foliage biomass, 50-year secondary montane forest, DAP² only](https://treeallometry.org/equations/ramirez-2022-age50-foliage-d2/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH.
- [Foliage biomass, 50-year secondary montane forest, DAP²·Ht](https://treeallometry.org/equations/ramirez-2022-age50-foliage-d2h/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH + Height.
- [Foliage biomass, all ages pooled (general) secondary montane forest, DAP² only](https://treeallometry.org/equations/ramirez-2022-general-foliage-d2/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH.
- [Foliage biomass, all ages pooled (general) secondary montane forest, DAP²·Ht](https://treeallometry.org/equations/ramirez-2022-general-foliage-d2h/), Ramírez et al. 2022: Secondary montane forest trees, mixed species, Ecuador; inputs DBH + Height.
- [Foliage biomass, Pinus tecunumanii shade trees, power-law DBH+H](https://treeallometry.org/equations/chalupova-2026-foliage/), Chalupová et al. 2026: Pinus tecunumanii, Peru; inputs DBH + Height; DBH 9.9–43.8 cm; 22 trees.
- [Gray alder, Arkhangelsk: foliage biomass from D (Table 2)](https://treeallometry.org/equations/karaban-2023-foliage-d/), Karaban et al. 2023: Alnus incana, Russia; inputs DBH; DBH 3.6–16.9 cm; 50 trees.
- [Grey alder foliage dry mass from DBH (general equation)](https://treeallometry.org/equations/tretyakov-2022-foliage/), Tretyakov et al. 2022: Alnus incana, Russia; inputs DBH; DBH 4–17 cm; 21 trees.
- [Guangzhou subtropical forest leaf biomass, Model 1 (DBH only)](https://treeallometry.org/equations/zhao-2019-foliage-model1/), Zhao et al. 2019: Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China; inputs DBH; DBH 4.2–61.2 cm; 144 trees.
- [Juniperus deppeana foliage biomass](https://treeallometry.org/equations/vargas-larreta-2017-j-deppeana-foliage/), Vargas-Larreta et al. 2017: Juniperus deppeana, Mexico; inputs DBH + Height; DBH 10–43.7 cm; 48 trees.
- [Korean pine foliage biomass from D and H (System 2, Table 4)](https://treeallometry.org/equations/dong-2016-korean-pine-sys2-foliage/), Dong et al. 2016: Pinus koraiensis, China; inputs DBH + Height; DBH 5.4–33.4 cm; 114 trees.
- [Korean pine foliage biomass from D only (System 1, Table 4)](https://treeallometry.org/equations/dong-2016-korean-pine-sys1-foliage/), Dong et al. 2016: Pinus koraiensis, China; inputs DBH; DBH 5.4–33.4 cm; 114 trees.
- [Larch (Larix gmelinii) foliage biomass from D and H (System 2, Table 4)](https://treeallometry.org/equations/dong-2016-larch-sys2-foliage/), Dong et al. 2016: Larix gmelinii, China; inputs DBH + Height; DBH 7.6–35.7 cm; 90 trees.
- [Larch (Larix gmelinii) foliage biomass from D only (System 1, Table 4)](https://treeallometry.org/equations/dong-2016-larch-sys1-foliage/), Dong et al. 2016: Larix gmelinii, China; inputs DBH; DBH 7.6–35.7 cm; 90 trees.
- [Larch foliage biomass from DBH and height, AMS2](https://treeallometry.org/equations/dong-2020-ams2-foliage-d-h/), Dong et al. 2020: Larix olgensis, China; inputs DBH + Height; DBH 2–35.7 cm; 229 trees.
- [Larix cajanderi, Magadan Oblast, foliage biomass from DBH (Table 5)](https://treeallometry.org/equations/delcourt-2022-magadan-foliage/), Delcourt & Veraverbeke 2022: Larix cajanderi, Russia; inputs DBH; DBH 3.9–52.8 cm; 43 trees.
- [Larix cajanderi, Ust-Yansky district, foliage biomass from DBH (Table 5)](https://treeallometry.org/equations/delcourt-2022-ustyansky-foliage/), Delcourt & Veraverbeke 2022: Larix cajanderi, Russia; inputs DBH; DBH 1.8–18.9 cm; 20 trees.
- [Leaf biomass, Eucalyptus saligna young plantation, dbh only](https://treeallometry.org/equations/ramos-veintimilla-2025-foliage/), Ramos-Veintimilla et al. 2025: Eucalyptus saligna, Ecuador; inputs DBH; DBH 5.9–21 cm; 46 trees.
- [Liriodendron tulipifera Foliage W = a(D^2H)^b (Table 11)](https://treeallometry.org/equations/kang-2016-foliage-pow-d2h/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH + Height; DBH 5.9–38.7 cm; 40 trees.
- [Liriodendron tulipifera Foliage W = aD + bD^2 (Table 10)](https://treeallometry.org/equations/kang-2016-foliage-quad-d/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH; DBH 5.9–38.7 cm; 40 trees.
- [Liriodendron tulipifera Foliage W = aD^2H (Table 11)](https://treeallometry.org/equations/kang-2016-foliage-d2h/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH + Height; DBH 5.9–38.7 cm; 40 trees.
- [Liriodendron tulipifera Foliage W = aD^b (Table 10)](https://treeallometry.org/equations/kang-2016-foliage-pow-d/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH; DBH 5.9–38.7 cm; 40 trees.
- [Liriodendron tulipifera Foliage W = aD^b H^c (Table 11)](https://treeallometry.org/equations/kang-2016-foliage-pow-dh/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH + Height; DBH 5.9–38.7 cm; 40 trees.
- [Lodgepole pine foliage biomass, simple SUR (D only)](https://treeallometry.org/equations/poudel-2016-lp-foliage/), Poudel & Temesgen 2016: Pinus contorta, United States; inputs DBH; DBH 13.5–42.9 cm; 33 trees.
- [Mixed mangrove leaf biomass, power model (D)](https://treeallometry.org/equations/abdul-hamid-2022-leaf-d/), Abdul-Hamid et al. 2022: Seven mangrove species (Bruguiera cylindrica, B. parviflora, B. sexangula, Ceriops tagal, Rhizophora apiculata, R. mucronata, Xylocarpus granatum), Malaysia; inputs DBH; DBH 9–33 cm; 15 trees.
- [Mixed mangrove leaf biomass, power model (D^2 H)](https://treeallometry.org/equations/abdul-hamid-2022-leaf-d2h/), Abdul-Hamid et al. 2022: Seven mangrove species (Bruguiera cylindrica, B. parviflora, B. sexangula, Ceriops tagal, Rhizophora apiculata, R. mucronata, Xylocarpus granatum), Malaysia; inputs DBH + Height; DBH 9–33 cm; 15 trees.
- [Mongolian pine (Pinus sylvestris var. mongolica) foliage biomass from D and H (System 2, Table 4)](https://treeallometry.org/equations/dong-2016-mongolian-pine-sys2-foliage/), Dong et al. 2016: Pinus sylvestris var. mongolica, China; inputs DBH + Height; DBH 6–38.7 cm; 85 trees.
- [Mongolian pine (Pinus sylvestris var. mongolica) foliage biomass from D only (System 1, Table 4)](https://treeallometry.org/equations/dong-2016-mongolian-pine-sys1-foliage/), Dong et al. 2016: Pinus sylvestris var. mongolica, China; inputs DBH; DBH 6–38.7 cm; 85 trees.
- [Mongolian pine plantation foliage biomass from D, Mu Us (Table 3)](https://treeallometry.org/equations/siqing-2022-foliage/), Siqing et al. 2022: Pinus sylvestris var. mongolica, China; inputs DBH; DBH 2.4–44.2 cm; 131 trees.
- [Multi-species short-stature trees leaf biomass, cross-sectional area at 0.3 m (LLRC)](https://treeallometry.org/equations/flade-2021-multi-leaf-llrc/), Flade et al. 2021: Multi-species short-stature trees (all tree genera/species sampled), Canada; inputs D30; 105 trees.
- [Multi-species short-stature trees leaf biomass, cross-sectional area at 0.3 m (NLS)](https://treeallometry.org/equations/flade-2021-multi-leaf-nls/), Flade et al. 2021: Multi-species short-stature trees (all tree genera/species sampled), Canada; inputs D30; 105 trees.
- [Natural larch leaf (foliage) biomass from dbh (Table 5, with CF)](https://treeallometry.org/equations/meng-2019-foliage/), Meng et al. 2019: Larix gmelinii, China; inputs DBH; DBH 3.2–52 cm; 58 trees.
- [Norway spruce foliage biomass, young dense stands, N Sweden (Table 5)](https://treeallometry.org/equations/repola-2014-foliage-spruce/), Repola & Ahnlund Ulvcrona 2014: Picea abies, Sweden; inputs DBH; DBH 1–21 cm; 68 trees.
- [Norway spruce, Czech Republic: Foliage biomass from D (Table 2)](https://treeallometry.org/equations/cihak-2018-foliage-d/), Čihák & Vejpustková 2018: Picea abies, Czechia; inputs DBH; 139 trees.
- [Norway spruce, Czech Republic: Foliage biomass from D and H/D (Table 2)](https://treeallometry.org/equations/cihak-2018-foliage-d-hd/), Čihák & Vejpustková 2018: Picea abies, Czechia; inputs DBH + Height; 139 trees.
- [Oak foliage biomass from D and crown width, additive system 2 (Table 4)](https://treeallometry.org/equations/meng-2021-foliage-dcw/), Meng et al. 2021: Quercus (Q. mongolica and Q. wutaishanica), China; inputs DBH + Crown diameter; DBH 1.5–33 cm; 159 trees.
- [Oak foliage biomass from D, additive system 1 (Table 4)](https://treeallometry.org/equations/meng-2021-foliage-d/), Meng et al. 2021: Quercus (Q. mongolica and Q. wutaishanica), China; inputs DBH; DBH 1.5–33 cm; 159 trees.
- [Picea spp. leaf biomass, cross-sectional area at 0.3 m (LLRC)](https://treeallometry.org/equations/flade-2021-picea-leaf-llrc/), Flade et al. 2021: Picea spp., Canada; inputs D30.
- [Picea spp. leaf biomass, cross-sectional area at 0.3 m (NLS)](https://treeallometry.org/equations/flade-2021-picea-leaf-nls/), Flade et al. 2021: Picea spp., Canada; inputs D30.
- [Pinus brutia needle biomass, Lebanon (Eq. 29)](https://treeallometry.org/equations/de-miguel-2014-lebanon-needle-29/), de-Miguel et al. 2014: Pinus brutia, Lebanon; inputs DBH + Height; 101 trees.
- [Pinus brutia needle biomass, Lebanon (Eq. 30)](https://treeallometry.org/equations/de-miguel-2014-lebanon-needle-30/), de-Miguel et al. 2014: Pinus brutia, Lebanon; inputs DBH; 101 trees.
- [Pinus brutia needle biomass, Middle East (Eq. 39)](https://treeallometry.org/equations/de-miguel-2014-middle-east-needle-39/), de-Miguel et al. 2014: Pinus brutia, Syria, Lebanon; inputs DBH + Height; DBH 2.3–55.8 cm; 201 trees.
- [Pinus brutia needle biomass, Middle East (Eq. 40)](https://treeallometry.org/equations/de-miguel-2014-middle-east-needle-40/), de-Miguel et al. 2014: Pinus brutia, Syria, Lebanon; inputs DBH; DBH 2.3–55.8 cm; 201 trees.
- [Pinus brutia needle biomass, Syria (Eq. 20)](https://treeallometry.org/equations/de-miguel-2014-syria-needle-20/), de-Miguel et al. 2014: Pinus brutia, Syria; inputs DBH; 100 trees.
- [Pinus caribaea needle biomass from DBH and height (simultaneous fit)](https://treeallometry.org/equations/coutinho-2018-needles-sur/), Coutinho et al. 2018: Pinus caribaea var. hondurensis, Brazil; inputs DBH + Height; DBH 8.2–23.7 cm; 20 trees.
- [Pinus cembroides, additive system S2 (D and H): foliage (twigs with leaves) biomass](https://treeallometry.org/equations/cuevas-2020-s2-foliage/), Cuevas Cruz & Aquino Ramírez 2020: Pinus cembroides Zucc., Mexico; inputs DBH + Height; DBH 3–40 cm; 21 trees.
- [Pinus cooperi foliage biomass](https://treeallometry.org/equations/vargas-larreta-2017-p-cooperi-foliage/), Vargas-Larreta et al. 2017: Pinus cooperi, Mexico; inputs DBH + Height; DBH 5.5–52.3 cm; 103 trees.
- [Pinus densiflora needle (crown fuel) biomass from DBH (Table 3)](https://treeallometry.org/equations/song-2026-needles/), Song et al. 2026: Pinus densiflora, South Korea; inputs DBH; DBH 5–35.1 cm; 67 trees.
- [Pinus douglasiana and Pinus michoacana foliage biomass](https://treeallometry.org/equations/vargas-larreta-2017-p-douglasiana-michoacana-foliage/), Vargas-Larreta et al. 2017: Pinus douglasiana and Pinus michoacana (data combined), Mexico; inputs DBH.
- [Pinus durangensis foliage biomass](https://treeallometry.org/equations/vargas-larreta-2017-p-durangensis-foliage/), Vargas-Larreta et al. 2017: Pinus durangensis, Mexico; inputs DBH + Height; DBH 8.7–44.5 cm; 130 trees.
- [Pinus engelmannii foliage biomass](https://treeallometry.org/equations/vargas-larreta-2017-p-engelmannii-foliage/), Vargas-Larreta et al. 2017: Pinus engelmannii, Mexico; inputs DBH + Height; DBH 6.5–51.8 cm; 89 trees.
- [Pinus foliage biomass](https://treeallometry.org/equations/vargas-larreta-2017-all-pines-foliage/), Vargas-Larreta et al. 2017: Pinus, Mexico; inputs DBH + Height.
- [Pinus herrerae foliage biomass](https://treeallometry.org/equations/vargas-larreta-2017-p-herrerae-foliage/), Vargas-Larreta et al. 2017: Pinus herrerae, Mexico; inputs DBH; DBH 5–46.4 cm; 97 trees.
- [Pinus leiophylla foliage biomass](https://treeallometry.org/equations/vargas-larreta-2017-p-leiophylla-foliage/), Vargas-Larreta et al. 2017: Pinus leiophylla, Mexico; inputs DBH + Height; DBH 8.4–55.3 cm; 84 trees.
- [Pinus lumholtzii foliage biomass](https://treeallometry.org/equations/vargas-larreta-2017-p-lumholtzii-foliage/), Vargas-Larreta et al. 2017: Pinus lumholtzii, Mexico; inputs DBH; DBH 5–42 cm; 35 trees.
- [Pinus oocarpa foliage biomass](https://treeallometry.org/equations/vargas-larreta-2017-p-oocarpa-foliage/), Vargas-Larreta et al. 2017: Pinus oocarpa, Mexico; inputs DBH; DBH 7.5–35.7 cm; 37 trees.
- [Pinus strobiformis foliage biomass](https://treeallometry.org/equations/vargas-larreta-2017-p-strobiformis-foliage/), Vargas-Larreta et al. 2017: Pinus strobiformis, Mexico; inputs DBH + Height; DBH 5–49 cm; 98 trees.
- [Pinus sylvestris foliage biomass vs DBH (Eq. 4), forest-swamp, Middle Urals](https://treeallometry.org/equations/petrova-2026-pine-f/), Petrova et al. 2026: Pinus sylvestris, Russia; inputs DBH; DBH 2.4–21.3 cm; 12 trees.
- [Pinus teocote foliage biomass](https://treeallometry.org/equations/vargas-larreta-2017-p-teocote-foliage/), Vargas-Larreta et al. 2017: Pinus teocote, Mexico; inputs DBH; DBH 10–45 cm; 81 trees.
- [Piscidia piscipula, additive system S1 (D and H, Eq. 3-6): foliage (twigs with leaves) biomass](https://treeallometry.org/equations/cuevas-2022-s1-foliage/), Cuevas Cruz et al. 2022: Piscidia piscipula (L.) Sarg., Mexico; inputs DBH + Height; DBH 5.7–55 cm; 17 trees.
- [Piscidia piscipula, additive system S2 (D²H, Eq. 7-10): foliage (twigs with leaves) biomass](https://treeallometry.org/equations/cuevas-2022-s2-foliage/), Cuevas Cruz et al. 2022: Piscidia piscipula (L.) Sarg., Mexico; inputs DBH + Height; DBH 5.7–55 cm; 17 trees.
- [Planted Acacia mangium, West Java, leaf biomass from D, all ages (model B)](https://treeallometry.org/equations/miyakuni-2004-leaf-b-all-ages/), Miyakuni et al. 2004: Acacia mangium, Indonesia; inputs DBH; 59 trees.
- [Populus balsamifera leaf biomass, cross-sectional area at 0.3 m (LLRC)](https://treeallometry.org/equations/flade-2021-pobal-leaf-llrc/), Flade et al. 2021: Populus balsamifera, Canada; inputs D30; 31 trees.
- [Populus balsamifera leaf biomass, cross-sectional area at 0.3 m (NLS)](https://treeallometry.org/equations/flade-2021-pobal-leaf-nls/), Flade et al. 2021: Populus balsamifera, Canada; inputs D30; 31 trees.
- [Populus tremuloides leaf biomass, cross-sectional area at 0.3 m (LLRC)](https://treeallometry.org/equations/flade-2021-potre-leaf-llrc/), Flade et al. 2021: Populus tremuloides, Canada; inputs D30; 30 trees.
- [Populus tremuloides leaf biomass, cross-sectional area at 0.3 m (NLS)](https://treeallometry.org/equations/flade-2021-potre-leaf-nls/), Flade et al. 2021: Populus tremuloides, Canada; inputs D30; 30 trees.
- [Quercus candicans: foliage (twigs with leaves) biomass](https://treeallometry.org/equations/cortes-sanchez-2019-candicans-foliage/), Cortés-Sánchez et al. 2019: Quercus candicans Née, Mexico; inputs DBH; DBH 6.6–41.6 cm; 30 trees.
- [Quercus coccolobifolia: foliage (twigs with leaves) biomass](https://treeallometry.org/equations/cortes-sanchez-2019-coccolobifolia-foliage/), Cortés-Sánchez et al. 2019: Quercus coccolobifolia Trel., Mexico; inputs DBH; DBH 8.6–19.1 cm; 12 trees.
- [Quercus crassifolia foliage biomass](https://treeallometry.org/equations/vargas-larreta-2017-q-crassifolia-foliage/), Vargas-Larreta et al. 2017: Quercus crassifolia, Mexico; inputs DBH + Height; DBH 8.5–43.1 cm; 108 trees.
- [Quercus crassifolia, foliage biomass (Eq. 4, D²H)](https://treeallometry.org/equations/ruiz-aquino-2014-crassifolia-foliage/), Ruiz-Aquino et al. 2014: Quercus crassifolia Humb. & Bonpl., Mexico; inputs DBH + Height; DBH 5–31 cm; 16 trees.
- [Quercus durifolia foliage biomass](https://treeallometry.org/equations/vargas-larreta-2017-q-durifolia-foliage/), Vargas-Larreta et al. 2017: Quercus durifolia, Mexico; inputs DBH + Height; DBH 7–45.5 cm; 131 trees.
- [Quercus foliage biomass](https://treeallometry.org/equations/vargas-larreta-2017-all-oaks-foliage/), Vargas-Larreta et al. 2017: Quercus, Mexico; inputs DBH.
- [Quercus group 1 (rugosa, candicans, laurina): foliage (twigs with leaves) biomass](https://treeallometry.org/equations/cortes-sanchez-2019-g1-foliage/), Cortés-Sánchez et al. 2019: Quercus group 1 (Q. rugosa, Q. candicans, Q. laurina), Mexico; inputs DBH; DBH 5.8–48.6 cm.
- [Quercus laurina, foliage biomass (Eq. 4, D²H)](https://treeallometry.org/equations/ruiz-aquino-2014-laurina-foliage/), Ruiz-Aquino et al. 2014: Quercus laurina Humb. & Bonpl., Mexico; inputs DBH + Height; DBH 6–31 cm; 16 trees.
- [Quercus laurina: foliage (twigs with leaves) biomass](https://treeallometry.org/equations/cortes-sanchez-2019-laurina-foliage/), Cortés-Sánchez et al. 2019: Quercus laurina Bonpl., Mexico; inputs DBH; DBH 5.8–48.6 cm; 30 trees.
- [Quercus obtusata: foliage (twigs with leaves) biomass](https://treeallometry.org/equations/cortes-sanchez-2019-obtusata-foliage/), Cortés-Sánchez et al. 2019: Quercus obtusata Bonpl., Mexico; inputs DBH; DBH 6.2–37.6 cm; 34 trees.
- [Quercus rugosa foliage biomass](https://treeallometry.org/equations/vargas-larreta-2017-q-rugosa-foliage/), Vargas-Larreta et al. 2017: Quercus rugosa, Mexico; inputs DBH + Height; DBH 9.3–41.3 cm; 61 trees.
- [Quercus sideroxyla foliage biomass](https://treeallometry.org/equations/vargas-larreta-2017-q-sideroxyla-foliage/), Vargas-Larreta et al. 2017: Quercus sideroxyla, Mexico; inputs DBH + Height; DBH 11–57 cm; 123 trees.
- [Quercus sideroxyla: foliage (twigs with leaves) biomass](https://treeallometry.org/equations/cortes-sanchez-2019-sideroxyla-foliage/), Cortés-Sánchez et al. 2019: Quercus sideroxyla Bonpl., Mexico; inputs DBH; DBH 4.8–40.5 cm; 33 trees.
- [Radiata pine needle from DBH (Eq. 8)](https://treeallometry.org/equations/pienaar-2025-foliage-eq8/), Pienaar et al. 2025: Pinus radiata, South Africa; inputs DBH; DBH 10.4–38.9 cm.
- [Scots pine foliage biomass, young dense stands, N Sweden (Table 5)](https://treeallometry.org/equations/repola-2014-foliage-pine/), Repola & Ahnlund Ulvcrona 2014: Pinus sylvestris, Sweden; inputs DBH + Height; DBH 1–22 cm; 126 trees.
- [Scots pine needle biomass, ln-ln OLS (D and H)](https://treeallometry.org/equations/tungalag-2020-needle-dh/), Tungalag et al. 2020: Pinus sylvestris, Mongolia; inputs DBH + Height; DBH 4.7–55 cm; 35 trees.
- [Scots pine needle biomass, ln-ln OLS (D only)](https://treeallometry.org/equations/tungalag-2020-needle-d/), Tungalag et al. 2020: Pinus sylvestris, Mongolia; inputs DBH; DBH 4.7–55 cm; 35 trees.
- [Short-stature hardwood trees leaf biomass, cross-sectional area at 0.3 m (LLRC)](https://treeallometry.org/equations/flade-2021-hardwood-leaf-llrc/), Flade et al. 2021: Short-stature hardwood trees (deciduous species excluding Picea spp.), Canada; inputs D30.
- [Short-stature hardwood trees leaf biomass, cross-sectional area at 0.3 m (NLS)](https://treeallometry.org/equations/flade-2021-hardwood-leaf-nls/), Flade et al. 2021: Short-stature hardwood trees (deciduous species excluding Picea spp.), Canada; inputs D30.
- [Six Guanajuato oaks pooled, system 1 (D and H): foliage (twigs with leaves) biomass](https://treeallometry.org/equations/cortes-sanchez-2019-sys1-foliage/), Cortés-Sánchez et al. 2019: Quercus (six species: rugosa, obtusata, sideroxyla, coccolobifolia, laurina, candicans), Mexico; inputs DBH; DBH 4.8–48.6 cm; 165 trees.
- [Sonneratia alba leaf biomass, multiple power model (D, H)](https://treeallometry.org/equations/pathibang-2026-leaf-multiple-power/), Pathibang et al. 2026: Sonneratia alba, Indonesia; inputs DBH + Height; 8 trees.
- [Sonneratia apetala leaf biomass, a x^b of rho \* DBH (Table 4)](https://treeallometry.org/equations/lwin-2026-sa-leaf/), Lwin et al. 2026: Sonneratia apetala, Myanmar (Burma); inputs Wood density + DBH; DBH 5.1–20 cm; 15 trees.
- [Sugar maple leaf biomass from DBH, managed stand (sugar bush)](https://treeallometry.org/equations/ter-mikaelian-2001-managed/), Ter-Mikaelian & Lautenschlager 2001: Acer saccharum, Canada; inputs DBH; DBH 20.5–63.9 cm; 10 trees.
- [Sugar maple leaf biomass from DBH, unmanaged stand](https://treeallometry.org/equations/ter-mikaelian-2001-unmanaged/), Ter-Mikaelian & Lautenschlager 2001: Acer saccharum, Canada; inputs DBH; DBH 21.3–58.5 cm; 12 trees.
- [Tectona grandis leaf biomass from D²H](https://treeallometry.org/equations/ounban-2016-teak-leaf-d2h/), Ounban et al. 2016: Tectona grandis, Thailand; inputs DBH + Height; DBH 4.4–41.2 cm; 84 trees.
- [White birch foliage biomass from D and H (MS-3) (Table 6)](https://treeallometry.org/equations/dong-2018-birch-ms3-foliage/), Dong et al. 2018: Betula platyphylla, China; inputs DBH + Height; DBH 1.4–20.5 cm; 108 trees.
- [White birch foliage biomass from D only (MS-2) (Table 5)](https://treeallometry.org/equations/dong-2018-birch-ms2-foliage/), Dong et al. 2018: Betula platyphylla, China; inputs DBH; DBH 1.4–20.5 cm; 108 trees.
- [Willow (Salix spp.) foliage biomass, northern taiga, Arkhangelsk](https://treeallometry.org/equations/paramonov-2022-foliage/), Paramonov et al. 2022: Salix, Russia; inputs DBH; 52 trees.

## Root biomass (85)

- [Acacia mearnsii belowground biomass from D and H (Table 3, model 3)](https://treeallometry.org/equations/shumie-2024-bgb/), Shumie et al. 2024: Acacia mearnsii, Ethiopia; inputs DBH + Height; DBH 1.1–11.9 cm; 24 trees.
- [Alnus glutinosa root biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-alnus-glutinosa-root/), Ruiz-Peinado et al. 2012: Alnus glutinosa, Spain; inputs DBH; 5 trees.
- [Betula pendula, Germany, belowground biomass from DBH (Eq. 4, Tab. 1)](https://treeallometry.org/equations/rohling-2019-bgb-birch/), Röhling et al. 2019: Betula pendula, Germany; inputs DBH; DBH 8.2–52.9 cm; 48 trees.
- [BGB Model 1 (DBH, H, WD), peat swamp forest Sarawak](https://treeallometry.org/equations/monda-2015-bgb-m1/), Monda et al. 2015: Mixed tree species, tropical peat swamp forest, Malaysia; inputs DBH + Height + Wood density; DBH 5.2–110.8 cm; 32 trees.
- [BGB Model 5 (DBH only), peat swamp forest Sarawak](https://treeallometry.org/equations/monda-2015-bgb-m5/), Monda et al. 2015: Mixed tree species, tropical peat swamp forest, Malaysia; inputs DBH; DBH 5.2–110.8 cm; 32 trees.
- [BGB Model 6 (DBH and \[ln(DBH)\]²), peat swamp forest Sarawak](https://treeallometry.org/equations/monda-2015-bgb-m6/), Monda et al. 2015: Mixed tree species, tropical peat swamp forest, Malaysia; inputs DBH; DBH 5.2–110.8 cm; 32 trees.
- [Birch total root biomass, additive system (coarse + medium + fine), Heilongjiang site](https://treeallometry.org/equations/pan-2022-bgb-total-additive-heilongjiang/), Pan & Wang 2022: Betula platyphylla, China; inputs DBH + Height; DBH 3.4–11.9 cm; 493 trees.
- [Birch total root biomass, additive system (coarse + medium + fine), Jilin site](https://treeallometry.org/equations/pan-2022-bgb-total-additive-jilin/), Pan & Wang 2022: Betula platyphylla, China; inputs DBH + Height; DBH 3.4–11.9 cm; 493 trees.
- [Birch total root biomass, additive system (coarse + medium + fine), Liaoning site](https://treeallometry.org/equations/pan-2022-bgb-total-additive-liaoning/), Pan & Wang 2022: Betula platyphylla, China; inputs DBH + Height; DBH 3.4–11.9 cm; 493 trees.
- [Birch total root biomass, disaggregated model (Eq. 24), Heilongjiang site](https://treeallometry.org/equations/pan-2022-bgb-total-disagg-heilongjiang/), Pan & Wang 2022: Betula platyphylla, China; inputs DBH + Height; DBH 3.4–11.9 cm; 493 trees.
- [Birch total root biomass, disaggregated model (Eq. 24), Jilin site](https://treeallometry.org/equations/pan-2022-bgb-total-disagg-jilin/), Pan & Wang 2022: Betula platyphylla, China; inputs DBH + Height; DBH 3.4–11.9 cm; 493 trees.
- [Birch total root biomass, disaggregated model (Eq. 24), Liaoning site](https://treeallometry.org/equations/pan-2022-bgb-total-disagg-liaoning/), Pan & Wang 2022: Betula platyphylla, China; inputs DBH + Height; DBH 3.4–11.9 cm; 493 trees.
- [Caribbean Costa Rica secondary forest (35 species), root biomass from DBH](https://treeallometry.org/equations/fonseca-2009-secondary-forest-roots/), Fonseca G. et al. 2009: Secondary forest trees, 35 species (highest-IVI species per diameter class), Costa Rica; inputs DBH; DBH 2.8–28.2 cm; 122 trees.
- [Castanea sativa root biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-castanea-sativa-root/), Ruiz-Peinado et al. 2012: Castanea sativa, Spain; inputs DBH; 11 trees.
- [Ceratonia siliqua root biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-ceratonia-siliqua-root/), Ruiz-Peinado et al. 2012: Ceratonia siliqua, Spain; inputs DBH; 7 trees.
- [Chinese fir root biomass (compatible total-biomass system)](https://treeallometry.org/equations/du-2026-fir-root/), Du et al. 2026: Cunninghamia lanceolata, China; inputs DBH + Height; 74 trees.
- [Common mangrove root weight (Eq. 10)](https://treeallometry.org/equations/komiyama-2005-eq10-root/), Komiyama et al. 2005: Mangroves (10 species: Rhizophora, Bruguiera, Ceriops, Avicennia, Sonneratia, Xylocarpus), Thailand, Indonesia; inputs Wood density + DBH; 26 trees.
- [Coprosma robusta, NZ, belowground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-coprosma-bgb/), Marden et al. 2025: Coprosma robusta, New Zealand; inputs Root collar diameter.
- [Cordyline australis, NZ, belowground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-cordyline-bgb/), Marden et al. 2025: Cordyline australis, New Zealand; inputs Root collar diameter.
- [Coriaria arborea, NZ, belowground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-coriaria-bgb/), Marden et al. 2025: Coriaria arborea, New Zealand; inputs Root collar diameter.
- [Cryptomeria japonica Root from DBH (Table 3)](https://treeallometry.org/equations/jung-2014-root/), Jung et al. 2014: Cryptomeria japonica, South Korea; inputs DBH; DBH 13–28 cm; 18 trees.
- [Dahurian larch root biomass from D and H (MS-3) (Table 6)](https://treeallometry.org/equations/dong-2018-larch-ms3-root/), Dong et al. 2018: Larix gmelinii, China; inputs DBH + Height; DBH 1.7–28.4 cm; 138 trees.
- [Dahurian larch root biomass from D only (MS-2) (Table 5)](https://treeallometry.org/equations/dong-2018-larch-ms2-root/), Dong et al. 2018: Larix gmelinii, China; inputs DBH; DBH 1.7–28.4 cm; 138 trees.
- [Dahurian larch root biomass from D, H and crown width, system MS-1 (Table 4)](https://treeallometry.org/equations/dong-2018-larch-ms1-root-dhcw/), Dong et al. 2018: Larix gmelinii, China; inputs DBH + Height + Crown diameter; DBH 1.7–28.4 cm; 138 trees.
- [Dahurian larch root biomass from D, H and crown width, system MS-4 (Table 7)](https://treeallometry.org/equations/dong-2018-larch-ms4-root-dhcw/), Dong et al. 2018: Larix gmelinii, China; inputs DBH + Height + Crown diameter; DBH 1.7–28.4 cm; 138 trees.
- [Euonymus verrucosus, belowground dry mass vs height (Model 2)](https://treeallometry.org/equations/kartashova-2026-euonymus-verrucosus-pbg-h/), Kartashova et al. 2026: Euonymus verrucosus, Russia; inputs Height; 16 trees.
- [Fagus sylvatica root biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-fagus-sylvatica-root/), Ruiz-Peinado et al. 2012: Fagus sylvatica, Spain; inputs DBH; 14 trees.
- [Fraxinus angustifolia root biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-fraxinus-angustifolia-root/), Ruiz-Peinado et al. 2012: Fraxinus angustifolia, Spain; inputs DBH; 8 trees.
- [Gray alder, southern taiga and mixed-forest data (Kazimirov 1978, Miezīte 2011): root biomass from D and aboveground biomass (Table 2)](https://treeallometry.org/equations/karaban-2023-bgb-d-agb/), Karaban et al. 2023: Alnus incana, Russia, Latvia; inputs DBH + AGB; 17 trees.
- [Guangzhou subtropical forest belowground biomass, Model 1 (DBH only)](https://treeallometry.org/equations/zhao-2019-bgb-model1/), Zhao et al. 2019: Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China; inputs DBH; 116 trees.
- [Guangzhou subtropical forest belowground biomass, Model 3 (DBH and height)](https://treeallometry.org/equations/zhao-2019-bgb-model3/), Zhao et al. 2019: Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China; inputs DBH + Height; 116 trees.
- [Guangzhou subtropical forest belowground biomass, Model 5 (DBH and wood density)](https://treeallometry.org/equations/zhao-2019-bgb-model5/), Zhao et al. 2019: Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China; inputs DBH + Wood density; 116 trees.
- [Hoheria populnea, NZ, belowground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-hoheria-bgb/), Marden et al. 2025: Hoheria populnea, New Zealand; inputs Root collar diameter.
- [Knightia excelsa, NZ, belowground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-knightia-bgb/), Marden et al. 2025: Knightia excelsa, New Zealand; inputs Root collar diameter.
- [Korean pine root biomass from D and H (System 2, Table 4)](https://treeallometry.org/equations/dong-2016-korean-pine-sys2-root/), Dong et al. 2016: Pinus koraiensis, China; inputs DBH + Height; DBH 5.4–33.4 cm; 114 trees.
- [Korean pine root biomass from D only (System 1, Table 4)](https://treeallometry.org/equations/dong-2016-korean-pine-sys1-root/), Dong et al. 2016: Pinus koraiensis, China; inputs DBH; DBH 5.4–33.4 cm; 114 trees.
- [Larch (Larix gmelinii) root biomass from D and H (System 2, Table 4)](https://treeallometry.org/equations/dong-2016-larch-sys2-root/), Dong et al. 2016: Larix gmelinii, China; inputs DBH + Height; DBH 7.6–35.7 cm; 90 trees.
- [Larch (Larix gmelinii) root biomass from D only (System 1, Table 4)](https://treeallometry.org/equations/dong-2016-larch-sys1-root/), Dong et al. 2016: Larix gmelinii, China; inputs DBH; DBH 7.6–35.7 cm; 90 trees.
- [Leptospermum scoparium, NZ, belowground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-leptospermum-bgb/), Marden et al. 2025: Leptospermum scoparium, New Zealand; inputs Root collar diameter.
- [Liriodendron tulipifera Root W = a(D^2H)^b (Table 11)](https://treeallometry.org/equations/kang-2016-root-pow-d2h/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH + Height.
- [Liriodendron tulipifera Root W = aD + bD^2 (Table 10)](https://treeallometry.org/equations/kang-2016-root-quad-d/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH.
- [Liriodendron tulipifera Root W = aD^2H (Table 11)](https://treeallometry.org/equations/kang-2016-root-d2h/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH + Height.
- [Liriodendron tulipifera Root W = aD^b (Table 10)](https://treeallometry.org/equations/kang-2016-root-pow-d/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH.
- [Liriodendron tulipifera Root W = aD^b H^c (Table 11)](https://treeallometry.org/equations/kang-2016-root-pow-dh/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH + Height.
- [Malawi miombo belowground biomass, DBH only (Model 1)](https://treeallometry.org/equations/kachamba-2016-bgb-m1/), Kachamba et al. 2016: Miombo woodland trees, Malawi; inputs DBH; 41 trees.
- [Miombo coarse root biomass, DBH only](https://treeallometry.org/equations/ryan-2011-root/), Ryan et al. 2011: Miombo woodland trees, Mozambique; inputs DBH; 23 trees.
- [Miombo Regional BGB from stump diameter](https://treeallometry.org/equations/manyanda-2019-bgb-regional/), Manyanda et al. 2019: Miombo woodland trees (mixed species), Tanzania; inputs D30; 57 trees.
- [Mongolian pine (Pinus sylvestris var. mongolica) root biomass from D and H (System 2, Table 4)](https://treeallometry.org/equations/dong-2016-mongolian-pine-sys2-root/), Dong et al. 2016: Pinus sylvestris var. mongolica, China; inputs DBH + Height; DBH 6–38.7 cm; 85 trees.
- [Mongolian pine (Pinus sylvestris var. mongolica) root biomass from D only (System 1, Table 4)](https://treeallometry.org/equations/dong-2016-mongolian-pine-sys1-root/), Dong et al. 2016: Pinus sylvestris var. mongolica, China; inputs DBH; DBH 6–38.7 cm; 85 trees.
- [Mopane root biomass from D (RM1)](https://treeallometry.org/equations/lisboa-2025-rm1-d/), Lisboa et al. 2025: Colophospermum mopane, Mozambique; inputs DBH.
- [Mopane root biomass from D²H (RM3)](https://treeallometry.org/equations/lisboa-2025-rm3-d2h/), Lisboa et al. 2025: Colophospermum mopane, Mozambique; inputs DBH + Height.
- [Myrsine australis, NZ, belowground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-myrsine-bgb/), Marden et al. 2025: Myrsine australis, New Zealand; inputs Root collar diameter.
- [Oak root biomass (compatible total-biomass system)](https://treeallometry.org/equations/du-2026-oak-root/), Du et al. 2026: Quercus, China; inputs DBH + Height; 50 trees.
- [Oak root biomass from D (Table 3)](https://treeallometry.org/equations/meng-2021-root-d/), Meng et al. 2021: Quercus (Q. mongolica and Q. wutaishanica), China; inputs DBH; DBH 1.5–32.8 cm; 53 trees.
- [Olea europaea var. sylvestris root biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-olea-europaea-root/), Ruiz-Peinado et al. 2012: Olea europaea var. sylvestris, Spain; inputs DBH; 5 trees.
- [Pinus patula Belowground (root) biomass from D and H (Table 5)](https://treeallometry.org/equations/martinez-dominguez-2020-root/), Martínez-Domínguez et al. 2020: Pinus patula, Mexico; inputs DBH + Height; DBH 3.5–25.7 cm; 25 trees.
- [Pinus sylvestris, Germany, belowground biomass from DBH (Eq. 4, Tab. 1)](https://treeallometry.org/equations/rohling-2019-bgb-pine/), Röhling et al. 2019: Pinus sylvestris, Germany; inputs DBH; DBH 7.2–53.2 cm; 54 trees.
- [Pittosporum eugenoides, NZ, belowground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-piteug-bgb/), Marden et al. 2025: Pittosporum eugenoides, New Zealand; inputs Root collar diameter.
- [Pittosporum tenuifolium, NZ, belowground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-pitten-bgb/), Marden et al. 2025: Pittosporum tenuifolium, New Zealand; inputs Root collar diameter.
- [Plagianthus regius, NZ, belowground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-plagianthus-bgb/), Marden et al. 2025: Plagianthus regius, New Zealand; inputs Root collar diameter.
- [Planted Acacia mangium, West Java, root biomass from D, all ages (model B)](https://treeallometry.org/equations/miyakuni-2004-root-b-all-ages/), Miyakuni et al. 2004: Acacia mangium, Indonesia; inputs DBH; 59 trees.
- [Poplar root biomass (compatible total-biomass system)](https://treeallometry.org/equations/du-2026-poplar-root/), Du et al. 2026: Populus, China; inputs DBH + Height; 36 trees.
- [Populus x euramericana root biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-populus-euramericana-root/), Ruiz-Peinado et al. 2012: Populus x euramericana, Spain; inputs DBH; 8 trees.
- [Pseudopanax arboreus, NZ, belowground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-pseudopanax-bgb/), Marden et al. 2025: Pseudopanax arboreus, New Zealand; inputs Root collar diameter.
- [Quercus canariensis root biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-quercus-canariensis-root/), Ruiz-Peinado et al. 2012: Quercus canariensis, Spain; inputs DBH; 6 trees.
- [Quercus faginea root biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-quercus-faginea-root/), Ruiz-Peinado et al. 2012: Quercus faginea, Spain; inputs DBH; 8 trees.
- [Quercus ilex root biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-quercus-ilex-root/), Ruiz-Peinado et al. 2012: Quercus ilex, Spain; inputs DBH; 11 trees.
- [Quercus pyrenaica root biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-quercus-pyrenaica-root/), Ruiz-Peinado et al. 2012: Quercus pyrenaica, Spain; inputs DBH; 13 trees.
- [Quercus robur and Q. petraea, Germany, belowground biomass from DBH (Eq. 4, Tab. 1)](https://treeallometry.org/equations/rohling-2019-bgb-oak/), Röhling et al. 2019: Quercus (Q. robur and Q. petraea pooled), Germany; inputs DBH; DBH 7.4–42 cm; 39 trees.
- [Quercus suber root biomass (Table 2)](https://treeallometry.org/equations/ruiz-peinado-2012-quercus-suber-root/), Ruiz-Peinado et al. 2012: Quercus suber, Spain; inputs DBH; 11 trees.
- [Root biomass from basal area at breast height, all four species](https://treeallometry.org/equations/koala-2017-bgb-ba13-all-species/), Koala et al. 2017: Four Sudanian savanna-woodland species (Anogeissus leiocarpa, Detarium microcarpum, Piliostigma thonningii, Vitellaria paradoxa), Burkina Faso; inputs DBH; DBH 1.59–23.87 cm; 100 trees.
- [Root biomass from basal area at breast height, Anogeissus leiocarpa](https://treeallometry.org/equations/koala-2017-bgb-ba13-anogeissus-leiocarpa/), Koala et al. 2017: Anogeissus leiocarpa, Burkina Faso; inputs DBH; DBH 1.59–13.05 cm; 30 trees.
- [Root biomass from basal area at breast height, Detarium microcarpum](https://treeallometry.org/equations/koala-2017-bgb-ba13-detarium-microcarpum/), Koala et al. 2017: Detarium microcarpum, Burkina Faso; inputs DBH; DBH 2.23–23.87 cm; 30 trees.
- [Root biomass from basal area at breast height, Piliostigma thonningii](https://treeallometry.org/equations/koala-2017-bgb-ba13-piliostigma-thonningii/), Koala et al. 2017: Piliostigma thonningii, Burkina Faso; inputs DBH; DBH 1.91–9.55 cm; 30 trees.
- [Root biomass from basal area at breast height, Vitellaria paradoxa](https://treeallometry.org/equations/koala-2017-bgb-ba13-vitellaria-paradoxa/), Koala et al. 2017: Vitellaria paradoxa, Burkina Faso; inputs DBH; DBH 2.55–10.82 cm; 10 trees.
- [Root system dry biomass from DBH (Table 4, form 4)](https://treeallometry.org/equations/magalhaes-2015-root-system-dbh/), Magalhães 2015: Androstachys johnsonii, Mozambique; inputs DBH; DBH 5–32 cm; 93 trees.
- [Root system dry biomass from DBH and height (Table 4, form 5)](https://treeallometry.org/equations/magalhaes-2015-root-system-dbh-th/), Magalhães 2015: Androstachys johnsonii, Mozambique; inputs DBH + Height; DBH 5–32 cm; 93 trees.
- [Root system dry biomass from DBH²·H (Table 4, form 6)](https://treeallometry.org/equations/magalhaes-2015-root-system-d2h/), Magalhães 2015: Androstachys johnsonii, Mozambique; inputs DBH + Height; DBH 5–32 cm; 93 trees.
- [Root system dry biomass from root collar diameter (Table 4, form 7)](https://treeallometry.org/equations/magalhaes-2015-root-system-rcd/), Magalhães 2015: Androstachys johnsonii, Mozambique; inputs Root collar diameter; 93 trees.
- [Sambucus racemosa, belowground dry mass vs base diameter (Model 1)](https://treeallometry.org/equations/kartashova-2026-sambucus-pbg-d0/), Kartashova et al. 2026: Sambucus racemosa, Russia; inputs Root collar diameter; 7 trees.
- [Sophora tetraptera, NZ, belowground biomass from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-sophora-bgb/), Marden et al. 2025: Sophora tetraptera, New Zealand; inputs Root collar diameter.
- [Subtropical China root biomass from D](https://treeallometry.org/equations/xu-2015-bgb-d/), Xu et al. 2015: 8 subtropical forest tree species (23 root systems), China; inputs DBH; 23 trees.
- [Tanoak root biomass from basal area (best AICc model, Table 2)](https://treeallometry.org/equations/namm-2020-bgb-ba/), Namm & Berrill 2020: Notholithocarpus densiflorus, United States; inputs DBH; DBH 1.9–52.4 cm; 12 trees.
- [White birch root biomass from D and H (MS-3) (Table 6)](https://treeallometry.org/equations/dong-2018-birch-ms3-root/), Dong et al. 2018: Betula platyphylla, China; inputs DBH + Height; DBH 1.4–20.5 cm; 108 trees.
- [White birch root biomass from D only (MS-2) (Table 5)](https://treeallometry.org/equations/dong-2018-birch-ms2-root/), Dong et al. 2018: Betula platyphylla, China; inputs DBH; DBH 1.4–20.5 cm; 108 trees.

## Total biomass (41)

- [Acacia mearnsii Total tree biomass from D and H (Table 3, model 1)](https://treeallometry.org/equations/shumie-2024-total/), Shumie et al. 2024: Acacia mearnsii, Ethiopia; inputs DBH + Height; DBH 1.1–11.9 cm; 24 trees.
- [Chinese fir total tree biomass (compatible total-biomass system)](https://treeallometry.org/equations/du-2026-fir-total/), Du et al. 2026: Cunninghamia lanceolata, China; inputs DBH + Height; DBH 2.2–35.3 cm; 154 trees.
- [Chinese pine total tree biomass from DBH (age-sequence plantations)](https://treeallometry.org/equations/shen-2025-total-d/), Shen et al. 2025: Pinus tabuliformis, China; inputs DBH; 60 trees.
- [Coprosma robusta, NZ, whole-plant biomass from RCD (Table 6)](https://treeallometry.org/equations/marden-2025-coprosma-total/), Marden et al. 2025: Coprosma robusta, New Zealand; inputs Root collar diameter.
- [Cordyline australis, NZ, whole-plant biomass from RCD (Table 6)](https://treeallometry.org/equations/marden-2025-cordyline-total/), Marden et al. 2025: Cordyline australis, New Zealand; inputs Root collar diameter.
- [Coriaria arborea, NZ, whole-plant biomass from RCD (Table 6)](https://treeallometry.org/equations/marden-2025-coriaria-total/), Marden et al. 2025: Coriaria arborea, New Zealand; inputs Root collar diameter.
- [Cryptomeria japonica Total (above + below) from DBH (Table 3)](https://treeallometry.org/equations/jung-2014-total/), Jung et al. 2014: Cryptomeria japonica, South Korea; inputs DBH; DBH 13–28 cm; 18 trees.
- [Dahurian larch total (above + below ground) biomass from D and H (MS-3) (sum of components, Table 6)](https://treeallometry.org/equations/dong-2018-larch-ms3-total/), Dong et al. 2018: Larix gmelinii, China; inputs DBH + Height; DBH 1.7–28.4 cm; 138 trees.
- [Dahurian larch total (above + below ground) biomass from D only (MS-2) (sum of components, Table 5)](https://treeallometry.org/equations/dong-2018-larch-ms2-total/), Dong et al. 2018: Larix gmelinii, China; inputs DBH; DBH 1.7–28.4 cm; 138 trees.
- [Guangzhou subtropical forest total biomass, Model 1 (DBH only)](https://treeallometry.org/equations/zhao-2019-total-model1/), Zhao et al. 2019: Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China; inputs DBH.
- [Guangzhou subtropical forest total biomass, Model 3 (DBH and height)](https://treeallometry.org/equations/zhao-2019-total-model3/), Zhao et al. 2019: Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China; inputs DBH + Height.
- [Guangzhou subtropical forest total biomass, Model 5 (DBH and wood density)](https://treeallometry.org/equations/zhao-2019-total-model5/), Zhao et al. 2019: Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China; inputs DBH + Wood density.
- [Hieronyma alchorneoides plantations, total tree biomass incl. roots (Bt)](https://treeallometry.org/equations/fonseca-2009-hieronyma-alchorneoides-total/), Fonseca G. et al. 2009: Hieronyma alchorneoides, Costa Rica; inputs DBH; DBH 0.5–28.8 cm; 53 trees.
- [Hoheria populnea, NZ, whole-plant biomass from RCD (Table 6)](https://treeallometry.org/equations/marden-2025-hoheria-total/), Marden et al. 2025: Hoheria populnea, New Zealand; inputs Root collar diameter.
- [Knightia excelsa, NZ, whole-plant biomass from RCD (Table 6)](https://treeallometry.org/equations/marden-2025-knightia-total/), Marden et al. 2025: Knightia excelsa, New Zealand; inputs Root collar diameter.
- [Korean pine total (above + below ground) biomass from D and H (sum of components, System 2)](https://treeallometry.org/equations/dong-2016-korean-pine-sys2-total/), Dong et al. 2016: Pinus koraiensis, China; inputs DBH + Height; DBH 5.4–33.4 cm; 114 trees.
- [Korean pine total (above + below ground) biomass from D only (sum of components, System 1)](https://treeallometry.org/equations/dong-2016-korean-pine-sys1-total/), Dong et al. 2016: Pinus koraiensis, China; inputs DBH; DBH 5.4–33.4 cm; 114 trees.
- [Larch (Larix gmelinii) total (above + below ground) biomass from D and H (sum of components, System 2)](https://treeallometry.org/equations/dong-2016-larch-sys2-total/), Dong et al. 2016: Larix gmelinii, China; inputs DBH + Height; DBH 7.6–35.7 cm; 90 trees.
- [Larch (Larix gmelinii) total (above + below ground) biomass from D only (sum of components, System 1)](https://treeallometry.org/equations/dong-2016-larch-sys1-total/), Dong et al. 2016: Larix gmelinii, China; inputs DBH; DBH 7.6–35.7 cm; 90 trees.
- [Leptospermum scoparium, NZ, whole-plant biomass from RCD (Table 6)](https://treeallometry.org/equations/marden-2025-leptospermum-total/), Marden et al. 2025: Leptospermum scoparium, New Zealand; inputs Root collar diameter.
- [Liriodendron tulipifera Total W = a(D^2H)^b (Table 11)](https://treeallometry.org/equations/kang-2016-total-pow-d2h/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH + Height.
- [Liriodendron tulipifera Total W = aD + bD^2 (Table 10)](https://treeallometry.org/equations/kang-2016-total-quad-d/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH.
- [Liriodendron tulipifera Total W = aD^2H (Table 11)](https://treeallometry.org/equations/kang-2016-total-d2h/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH + Height.
- [Liriodendron tulipifera Total W = aD^b (Table 10)](https://treeallometry.org/equations/kang-2016-total-pow-d/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH.
- [Liriodendron tulipifera Total W = aD^b H^c (Table 11)](https://treeallometry.org/equations/kang-2016-total-pow-dh/), Kang et al. 2016: Liriodendron tulipifera, South Korea; inputs DBH + Height.
- [Mongolian pine (Pinus sylvestris var. mongolica) total (above + below ground) biomass from D and H (sum of components, System 2)](https://treeallometry.org/equations/dong-2016-mongolian-pine-sys2-total/), Dong et al. 2016: Pinus sylvestris var. mongolica, China; inputs DBH + Height; DBH 6–38.7 cm; 85 trees.
- [Mongolian pine (Pinus sylvestris var. mongolica) total (above + below ground) biomass from D only (sum of components, System 1)](https://treeallometry.org/equations/dong-2016-mongolian-pine-sys1-total/), Dong et al. 2016: Pinus sylvestris var. mongolica, China; inputs DBH; DBH 6–38.7 cm; 85 trees.
- [Myrsine australis, NZ, whole-plant biomass from RCD (Table 6)](https://treeallometry.org/equations/marden-2025-myrsine-total/), Marden et al. 2025: Myrsine australis, New Zealand; inputs Root collar diameter.
- [Oak total tree biomass (compatible total-biomass system)](https://treeallometry.org/equations/du-2026-oak-total/), Du et al. 2026: Quercus, China; inputs DBH + Height; DBH 3.5–38.9 cm; 157 trees.
- [Pinus patula Total biomass (roots, stem, branches, foliage) from D and H (Table 3)](https://treeallometry.org/equations/martinez-dominguez-2020-total/), Martínez-Domínguez et al. 2020: Pinus patula, Mexico; inputs DBH + Height; DBH 3.5–25.7 cm; 25 trees.
- [Pittosporum eugenoides, NZ, whole-plant biomass from RCD (Table 6)](https://treeallometry.org/equations/marden-2025-piteug-total/), Marden et al. 2025: Pittosporum eugenoides, New Zealand; inputs Root collar diameter.
- [Pittosporum tenuifolium, NZ, whole-plant biomass from RCD (Table 6)](https://treeallometry.org/equations/marden-2025-pitten-total/), Marden et al. 2025: Pittosporum tenuifolium, New Zealand; inputs Root collar diameter.
- [Plagianthus regius, NZ, whole-plant biomass from RCD (Table 6)](https://treeallometry.org/equations/marden-2025-plagianthus-total/), Marden et al. 2025: Plagianthus regius, New Zealand; inputs Root collar diameter.
- [Planted Acacia mangium, West Java, total (above + below) biomass from D, all ages (model B)](https://treeallometry.org/equations/miyakuni-2004-total-b-all-ages/), Miyakuni et al. 2004: Acacia mangium, Indonesia; inputs DBH; 59 trees.
- [Poplar total tree biomass (compatible total-biomass system)](https://treeallometry.org/equations/du-2026-poplar-total/), Du et al. 2026: Populus, China; inputs DBH + Height; DBH 2.2–37.9 cm; 150 trees.
- [Pseudopanax arboreus, NZ, whole-plant biomass from RCD (Table 6)](https://treeallometry.org/equations/marden-2025-pseudopanax-total/), Marden et al. 2025: Pseudopanax arboreus, New Zealand; inputs Root collar diameter.
- [Sophora tetraptera, NZ, whole-plant biomass from RCD (Table 6)](https://treeallometry.org/equations/marden-2025-sophora-total/), Marden et al. 2025: Sophora tetraptera, New Zealand; inputs Root collar diameter.
- [Tectona grandis (teak), 20-year-old Panama plantations, total tree biomass incl. roots](https://treeallometry.org/equations/kraenzel-2000-tectona-grandis-total/), Kraenzel 2000: Tectona grandis, Panama; inputs DBH; DBH 16.9–43.8 cm; 9 trees.
- [Vochysia guatemalensis plantations, total tree biomass incl. roots (Bt)](https://treeallometry.org/equations/fonseca-2009-vochysia-guatemalensis-total/), Fonseca G. et al. 2009: Vochysia guatemalensis, Costa Rica; inputs DBH; DBH 0.5–40.5 cm; 51 trees.
- [White birch total (above + below ground) biomass from D and H (MS-3) (sum of components, Table 6)](https://treeallometry.org/equations/dong-2018-birch-ms3-total/), Dong et al. 2018: Betula platyphylla, China; inputs DBH + Height; DBH 1.4–20.5 cm; 108 trees.
- [White birch total (above + below ground) biomass from D only (MS-2) (sum of components, Table 5)](https://treeallometry.org/equations/dong-2018-birch-ms2-total/), Dong et al. 2018: Betula platyphylla, China; inputs DBH; DBH 1.4–20.5 cm; 108 trees.

## Stem volume (67)

- [B. alnoides stem volume from DBH and height, >50 cm (Table 1)](https://treeallometry.org/equations/giri-2019-betula-alnoides-gt50-d2h/), Giri et al. 2019: Betula alnoides, India; inputs DBH + Height; DBH from 50 cm; 25 trees.
- [B. alnoides stem volume from DBH and height, 10–30 cm (Table 1)](https://treeallometry.org/equations/giri-2019-betula-alnoides-10-30-d2h/), Giri et al. 2019: Betula alnoides, India; inputs DBH + Height; DBH 10–30 cm; 25 trees.
- [B. alnoides stem volume from DBH and height, 31–50 cm (Table 1)](https://treeallometry.org/equations/giri-2019-betula-alnoides-31-50-d2h/), Giri et al. 2019: Betula alnoides, India; inputs DBH + Height; DBH 31–50 cm; 25 trees.
- [B. alnoides stem volume from DBH, >50 cm (Table 5)](https://treeallometry.org/equations/giri-2019-betula-alnoides-gt50-d2/), Giri et al. 2019: Betula alnoides, India; inputs DBH; DBH from 50 cm; 25 trees.
- [B. alnoides stem volume from DBH, 10–30 cm (Table 5)](https://treeallometry.org/equations/giri-2019-betula-alnoides-10-30-d2/), Giri et al. 2019: Betula alnoides, India; inputs DBH; DBH 10–30 cm; 25 trees.
- [B. alnoides stem volume from DBH, 31–50 cm (Table 5)](https://treeallometry.org/equations/giri-2019-betula-alnoides-31-50-d2/), Giri et al. 2019: Betula alnoides, India; inputs DBH; DBH 31–50 cm; 25 trees.
- [Brachystegia spiciformis stem merchantable volume from D2H](https://treeallometry.org/equations/manjate-2025-bspiciformis-stem-volume/), Manjate et al. 2025: Brachystegia spiciformis, Mozambique; inputs DBH + Height; DBH 17–81 cm; 37 trees.
- [Cerrado s.s. MG, Stem volume with bark, Schumacher-Hall log, regions 2 and 3 pooled](https://treeallometry.org/equations/rufini-2010-sh-r23-fvol-bark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height.
- [Cerrado s.s. MG, Stem volume with bark, Schumacher-Hall log, SF 1, 2, 3, 4 sub-basins (region 1)](https://treeallometry.org/equations/rufini-2010-sh-r1-fvol-bark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 157 trees.
- [Cerrado s.s. MG, Stem volume with bark, Schumacher-Hall log, SF 5, 6, 10 sub-basins (region 2)](https://treeallometry.org/equations/rufini-2010-sh-r2-fvol-bark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 113 trees.
- [Cerrado s.s. MG, Stem volume with bark, Schumacher-Hall log, SF 7, 8, 9 sub-basins (region 3)](https://treeallometry.org/equations/rufini-2010-sh-r3-fvol-bark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 227 trees.
- [Cerrado s.s. MG, Stem volume with bark, Spurr log, SF 1, 2, 3, 4 sub-basins (region 1)](https://treeallometry.org/equations/rufini-2010-spurr-r1-fvol-bark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 157 trees.
- [Cerrado s.s. MG, Stem volume with bark, Spurr log, SF 5, 6, 10 sub-basins (region 2)](https://treeallometry.org/equations/rufini-2010-spurr-r2-fvol-bark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 113 trees.
- [Cerrado s.s. MG, Stem volume with bark, Spurr log, SF 7, 8, 9 sub-basins (region 3)](https://treeallometry.org/equations/rufini-2010-spurr-r3-fvol-bark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 227 trees.
- [Cerrado s.s. MG, Stem volume without bark, Schumacher-Hall log, regions 2 and 3 pooled](https://treeallometry.org/equations/rufini-2010-sh-r23-fvol-nobark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height.
- [Cerrado s.s. MG, Stem volume without bark, Schumacher-Hall log, SF 1, 2, 3, 4 sub-basins (region 1)](https://treeallometry.org/equations/rufini-2010-sh-r1-fvol-nobark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 157 trees.
- [Cerrado s.s. MG, Stem volume without bark, Schumacher-Hall log, SF 5, 6, 10 sub-basins (region 2)](https://treeallometry.org/equations/rufini-2010-sh-r2-fvol-nobark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 113 trees.
- [Cerrado s.s. MG, Stem volume without bark, Schumacher-Hall log, SF 7, 8, 9 sub-basins (region 3)](https://treeallometry.org/equations/rufini-2010-sh-r3-fvol-nobark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 227 trees.
- [Cerrado s.s. MG, Stem volume without bark, Spurr log, SF 1, 2, 3, 4 sub-basins (region 1)](https://treeallometry.org/equations/rufini-2010-spurr-r1-fvol-nobark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 157 trees.
- [Cerrado s.s. MG, Stem volume without bark, Spurr log, SF 5, 6, 10 sub-basins (region 2)](https://treeallometry.org/equations/rufini-2010-spurr-r2-fvol-nobark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 113 trees.
- [Cerrado s.s. MG, Stem volume without bark, Spurr log, SF 7, 8, 9 sub-basins (region 3)](https://treeallometry.org/equations/rufini-2010-spurr-r3-fvol-nobark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 227 trees.
- [Chekanovsky larch stem volume from D and H, weighted (Table 2, selected)](https://treeallometry.org/equations/altanzagas-2022-vol-czekanowskii-dh-w/), Altanzagas et al. 2022: Larix czekanowskii, Mongolia; inputs DBH + Height; DBH 5.3–40 cm; 10 trees.
- [Commercial stem volume from DBH, Astronium lecointei (species-specific, Table 2)](https://treeallometry.org/equations/santos-2020-astronium-lecointei/), Santos et al. 2020: Astronium lecointei, Brazil; inputs DBH; DBH from 50 cm; 1,222 trees.
- [Commercial stem volume from DBH, Couratari (species-specific, Table 2)](https://treeallometry.org/equations/santos-2020-couratari/), Santos et al. 2020: Couratari, Brazil; inputs DBH; DBH from 50 cm; 2,974 trees.
- [Commercial stem volume from DBH, Husch log model (MV1)](https://treeallometry.org/equations/romero-2020-mv1-husch-log/), Romero et al. 2020: 20 commercial tree species of a managed forest (DBH >= 50 cm), Brazil; inputs DBH; DBH 50.4–149.9 cm; 223 trees.
- [Commercial stem volume from DBH, Husch power model (MV4)](https://treeallometry.org/equations/romero-2020-mv4-husch-power/), Romero et al. 2020: 20 commercial tree species of a managed forest (DBH >= 50 cm), Brazil; inputs DBH; DBH 50.4–149.9 cm; 223 trees.
- [Commercial stem volume from DBH, Hymenaea courbaril (species-specific, Table 2)](https://treeallometry.org/equations/santos-2020-hymenaea-courbaril/), Santos et al. 2020: Hymenaea courbaril, Brazil; inputs DBH; DBH from 50 cm; 1,487 trees.
- [Commercial stem volume from DBH, Hymenolobium petraeum (species-specific, Table 2)](https://treeallometry.org/equations/santos-2020-hymenolobium-petraeum/), Santos et al. 2020: Hymenolobium petraeum, Brazil; inputs DBH; DBH from 50 cm; 247 trees.
- [Commercial stem volume from DBH, Lecythis lurida (species-specific, Table 2)](https://treeallometry.org/equations/santos-2020-lecythis-lurida/), Santos et al. 2020: Lecythis lurida, Brazil; inputs DBH; DBH from 50 cm; 2,836 trees.
- [Commercial stem volume from DBH, Manilkara huberi (species-specific, Table 2)](https://treeallometry.org/equations/santos-2020-manilkara-huberi/), Santos et al. 2020: Manilkara huberi, Brazil; inputs DBH; DBH from 50 cm; 6,582 trees.
- [Commercial stem volume from DBH, Mezilaurus itauba (species-specific, Table 2)](https://treeallometry.org/equations/santos-2020-mezilaurus-itauba/), Santos et al. 2020: Mezilaurus itauba, Brazil; inputs DBH; DBH from 50 cm; 593 trees.
- [Commercial stem volume from DBH, Vochysia maxima (species-specific, Table 2)](https://treeallometry.org/equations/santos-2020-vochysia-maxima/), Santos et al. 2020: Vochysia maxima, Brazil; inputs DBH; DBH from 50 cm; 1,541 trees.
- [D. grandiflora stem volume from DBH and height, >50 cm (Table 2)](https://treeallometry.org/equations/giri-2019-duabanga-grandiflora-gt50-d2h/), Giri et al. 2019: Duabanga grandiflora, India; inputs DBH + Height; DBH from 50 cm; 25 trees.
- [D. grandiflora stem volume from DBH and height, 10–30 cm (Table 2)](https://treeallometry.org/equations/giri-2019-duabanga-grandiflora-10-30-d2h/), Giri et al. 2019: Duabanga grandiflora, India; inputs DBH + Height; DBH 10–30 cm; 25 trees.
- [D. grandiflora stem volume from DBH and height, 31–50 cm (Table 2)](https://treeallometry.org/equations/giri-2019-duabanga-grandiflora-31-50-d2h/), Giri et al. 2019: Duabanga grandiflora, India; inputs DBH + Height; DBH 31–50 cm; 25 trees.
- [D. grandiflora stem volume from DBH, >50 cm (Table 6)](https://treeallometry.org/equations/giri-2019-duabanga-grandiflora-gt50-d2/), Giri et al. 2019: Duabanga grandiflora, India; inputs DBH; DBH from 50 cm; 25 trees.
- [D. grandiflora stem volume from DBH, 10–30 cm (Table 6)](https://treeallometry.org/equations/giri-2019-duabanga-grandiflora-10-30-d2/), Giri et al. 2019: Duabanga grandiflora, India; inputs DBH; DBH 10–30 cm; 25 trees.
- [D. grandiflora stem volume from DBH, 31–50 cm (Table 6)](https://treeallometry.org/equations/giri-2019-duabanga-grandiflora-31-50-d2/), Giri et al. 2019: Duabanga grandiflora, India; inputs DBH; DBH 31–50 cm; 25 trees.
- [Generic stem volume from Dbh (Lama forest)](https://treeallometry.org/equations/goussanou-2016-generic-stem-volume-d/), Goussanou et al. 2016: Eighteen dominant tree species of Lama forest plus species from Guendehou et al. (2012), Benin; inputs DBH; 617 trees.
- [Gmelin larch stem volume from D²H, unweighted (Table 2, selected)](https://treeallometry.org/equations/altanzagas-2022-vol-gmelinii-d2h-n/), Altanzagas et al. 2022: Larix gmelinii, Mongolia; inputs DBH + Height; DBH 8.7–42.6 cm; 15 trees.
- [Julbernardia globiflora stem merchantable volume from D2H](https://treeallometry.org/equations/manjate-2025-jglobiflora-stem-volume/), Manjate et al. 2025: Julbernardia globiflora, Mozambique; inputs DBH + Height; DBH 14–62 cm; 23 trees.
- [M. champaca stem volume from DBH and height, >50 cm (Table 3)](https://treeallometry.org/equations/giri-2019-magnolia-champaca-gt50-d2h/), Giri et al. 2019: Magnolia champaca, India; inputs DBH + Height; DBH from 50 cm; 25 trees.
- [M. champaca stem volume from DBH and height, 10–30 cm (Table 3)](https://treeallometry.org/equations/giri-2019-magnolia-champaca-10-30-d2h/), Giri et al. 2019: Magnolia champaca, India; inputs DBH + Height; DBH 10–30 cm; 25 trees.
- [M. champaca stem volume from DBH and height, 31–50 cm (Table 3)](https://treeallometry.org/equations/giri-2019-magnolia-champaca-31-50-d2h/), Giri et al. 2019: Magnolia champaca, India; inputs DBH + Height; DBH 31–50 cm; 25 trees.
- [M. champaca stem volume from DBH, >50 cm (Table 7)](https://treeallometry.org/equations/giri-2019-magnolia-champaca-gt50-d2/), Giri et al. 2019: Magnolia champaca, India; inputs DBH; DBH from 50 cm; 25 trees.
- [M. champaca stem volume from DBH, 10–30 cm (Table 7)](https://treeallometry.org/equations/giri-2019-magnolia-champaca-10-30-d2/), Giri et al. 2019: Magnolia champaca, India; inputs DBH; DBH 10–30 cm; 25 trees.
- [M. champaca stem volume from DBH, 31–50 cm (Table 7)](https://treeallometry.org/equations/giri-2019-magnolia-champaca-31-50-d2/), Giri et al. 2019: Magnolia champaca, India; inputs DBH; DBH 31–50 cm; 25 trees.
- [Merchantable stem volume from DBH (Model 4, Table 7)](https://treeallometry.org/equations/de-cauwer-2020-vmer-d/), De Cauwer et al. 2020: Pterocarpus angolensis, Namibia, Angola; inputs DBH; DBH 5–92 cm; 356 trees.
- [Merchantable stem volume from DBH and height (Model 6, Table 7)](https://treeallometry.org/equations/de-cauwer-2020-vmer-d-h/), De Cauwer et al. 2020: Pterocarpus angolensis, Namibia, Angola; inputs DBH + Height; DBH 5–92 cm; 340 trees.
- [Nothofagus antarctica inside-bark merchantable stem volume (to 15 cm top) from D and H (Schumacher-Hall, Cuadro 4)](https://treeallometry.org/equations/lencinas-2002-vfsc-sh/), Lencinas et al. 2002: Nothofagus antarctica, Argentina; inputs DBH + Height; DBH 7.5–61 cm; 251 trees.
- [Peat swamp forest, all species, volume from D (model 3)](https://treeallometry.org/equations/qirom-2020-all-species-d/), Qirom & Akbar 2020: Mixed peat swamp forest species (6 species, Dipterocarpaceae and others), Indonesia; inputs DBH; DBH 5.6–29.2 cm; 84 trees.
- [Peat swamp forest, Dipterocarpaceae group, volume from D and H (model 7)](https://treeallometry.org/equations/qirom-2020-dipterocarpaceae-d2h/), Qirom & Akbar 2020: Dipterocarpaceae, Indonesia; inputs DBH + Height; DBH 6.3–29.2 cm; 42 trees.
- [Peat swamp forest, non-Dipterocarpaceae group, volume from D (model 1)](https://treeallometry.org/equations/qirom-2020-non-dipterocarpaceae-ln-d/), Qirom & Akbar 2020: Non-dipterocarp species group (P. rostratum, C. soulattri, D. pectinatum, as printed), Indonesia; inputs DBH; DBH 5.6–27 cm; 42 trees.
- [Rubber (PR107) stem volume from D (Eq. 7)](https://treeallometry.org/equations/khun-2008-v-d/), Khun et al. 2008: Hevea brasiliensis (clone PR107), Cambodia; inputs DBH; DBH 20–62 cm; 60 trees.
- [Rubber (PR107) stem volume from D and H (Eq. 9, Schumacher-Hall)](https://treeallometry.org/equations/khun-2008-v-dh/), Khun et al. 2008: Hevea brasiliensis (clone PR107), Cambodia; inputs DBH + Height; DBH 20–62 cm; 60 trees.
- [Stem volume from d2h (M2, best model)](https://treeallometry.org/equations/teshome-2022-vol-m2/), Teshome et al. 2022: Seven dominant species of Chilimo forest (Juniperus procera, Podocarpus falcatus, Olea africana, Allophylus abyssinicus, Olinia rochetiana, Rhus glutinosa, Scolopia theifolia), Ethiopia; inputs DBH + Height; DBH 6.2–85 cm; 193 trees.
- [Stem volume from DBH (Eq. 5)](https://treeallometry.org/equations/segura-2005-vstem-lnd/), Segura & Kanninen 2005: Seven dominant canopy species (Carapa guianensis, Inga coruscans, Laetia procera, Pentaclethra macroloba, Stryphnodendron microstachyum, Tapirira guianensis, Vochysia ferruginea), Costa Rica; inputs DBH; DBH 60–105 cm; 19 trees.
- [Stem volume from DBH (M1)](https://treeallometry.org/equations/teshome-2022-vol-m1/), Teshome et al. 2022: Seven dominant species of Chilimo forest (Juniperus procera, Podocarpus falcatus, Olea africana, Allophylus abyssinicus, Olinia rochetiana, Rhus glutinosa, Scolopia theifolia), Ethiopia; inputs DBH; DBH 6.2–85 cm; 193 trees.
- [Stem volume from DBH and height (M3)](https://treeallometry.org/equations/teshome-2022-vol-m3/), Teshome et al. 2022: Seven dominant species of Chilimo forest (Juniperus procera, Podocarpus falcatus, Olea africana, Allophylus abyssinicus, Olinia rochetiana, Rhus glutinosa, Scolopia theifolia), Ethiopia; inputs DBH + Height; DBH 6.2–85 cm; 193 trees.
- [T. ciliata stem volume from DBH and height, >50 cm (Table 4)](https://treeallometry.org/equations/giri-2019-toona-ciliata-gt50-d2h/), Giri et al. 2019: Toona ciliata, India; inputs DBH + Height; DBH from 50 cm; 25 trees.
- [T. ciliata stem volume from DBH and height, 10–30 cm (Table 4)](https://treeallometry.org/equations/giri-2019-toona-ciliata-10-30-d2h/), Giri et al. 2019: Toona ciliata, India; inputs DBH + Height; DBH 10–30 cm; 25 trees.
- [T. ciliata stem volume from DBH and height, 31–50 cm (Table 4)](https://treeallometry.org/equations/giri-2019-toona-ciliata-31-50-d2h/), Giri et al. 2019: Toona ciliata, India; inputs DBH + Height; DBH 31–50 cm; 25 trees.
- [T. ciliata stem volume from DBH, >50 cm (Table 8)](https://treeallometry.org/equations/giri-2019-toona-ciliata-gt50-d2/), Giri et al. 2019: Toona ciliata, India; inputs DBH; DBH from 50 cm; 25 trees.
- [T. ciliata stem volume from DBH, 10–30 cm (Table 8)](https://treeallometry.org/equations/giri-2019-toona-ciliata-10-30-d2/), Giri et al. 2019: Toona ciliata, India; inputs DBH; DBH 10–30 cm; 25 trees.
- [T. ciliata stem volume from DBH, 31–50 cm (Table 8)](https://treeallometry.org/equations/giri-2019-toona-ciliata-31-50-d2/), Giri et al. 2019: Toona ciliata, India; inputs DBH; DBH 31–50 cm; 25 trees.
- [Teak stem volume from D (V1, local)](https://treeallometry.org/equations/koirala-2017-v-dbh/), Koirala et al. 2017: Tectona grandis, Nepal; inputs DBH; DBH 6.37–58.92 cm; 31 trees.
- [Teak stem volume from D and H (V5, generic)](https://treeallometry.org/equations/koirala-2017-v-dbh-h/), Koirala et al. 2017: Tectona grandis, Nepal; inputs DBH + Height; DBH 6.37–58.92 cm; 31 trees.

## Total volume (32)

- [Brachystegia spiciformis total merchantable volume from D2H](https://treeallometry.org/equations/manjate-2025-bspiciformis-total-volume/), Manjate et al. 2025: Brachystegia spiciformis, Mozambique; inputs DBH + Height; DBH 17–81 cm; 37 trees.
- [Cameroon semi-deciduous forest total wood volume, Eq. (1), quadratic in DBH plus height](https://treeallometry.org/equations/dorisca-2011-quadratic-d-h/), Dorisca et al. 2011: 23 timber species of semi-deciduous forest (mixed), Cameroon; inputs DBH + Height; DBH 10–120 cm; 55 trees.
- [Cameroon semi-deciduous forest total wood volume, Eq. (2), quadratic in DBH only](https://treeallometry.org/equations/dorisca-2011-quadratic-d/), Dorisca et al. 2011: 23 timber species of semi-deciduous forest (mixed), Cameroon; inputs DBH; DBH 10–120 cm; 55 trees.
- [Cameroon semi-deciduous forest total wood volume, Eq. (3), power in DBH only](https://treeallometry.org/equations/dorisca-2011-power-d/), Dorisca et al. 2011: 23 timber species of semi-deciduous forest (mixed), Cameroon; inputs DBH; DBH 10–120 cm; 55 trees.
- [Cameroon semi-deciduous forest total wood volume, Eq. (4), power product in DBH and height](https://treeallometry.org/equations/dorisca-2011-power-d-h/), Dorisca et al. 2011: 23 timber species of semi-deciduous forest (mixed), Cameroon; inputs DBH + Height; DBH 10–120 cm; 55 trees.
- [Cerrado s.s. MG, Total volume with bark, Schumacher-Hall log, regions 2 and 3 pooled](https://treeallometry.org/equations/rufini-2010-sh-r23-tvol-bark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height.
- [Cerrado s.s. MG, Total volume with bark, Schumacher-Hall log, SF 1, 2, 3, 4 sub-basins (region 1)](https://treeallometry.org/equations/rufini-2010-sh-r1-tvol-bark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 157 trees.
- [Cerrado s.s. MG, Total volume with bark, Schumacher-Hall log, SF 5, 6, 10 sub-basins (region 2)](https://treeallometry.org/equations/rufini-2010-sh-r2-tvol-bark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 113 trees.
- [Cerrado s.s. MG, Total volume with bark, Schumacher-Hall log, SF 7, 8, 9 sub-basins (region 3)](https://treeallometry.org/equations/rufini-2010-sh-r3-tvol-bark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 227 trees.
- [Cerrado s.s. MG, Total volume with bark, Spurr log, SF 1, 2, 3, 4 sub-basins (region 1)](https://treeallometry.org/equations/rufini-2010-spurr-r1-tvol-bark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 157 trees.
- [Cerrado s.s. MG, Total volume with bark, Spurr log, SF 5, 6, 10 sub-basins (region 2)](https://treeallometry.org/equations/rufini-2010-spurr-r2-tvol-bark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 113 trees.
- [Cerrado s.s. MG, Total volume with bark, Spurr log, SF 7, 8, 9 sub-basins (region 3)](https://treeallometry.org/equations/rufini-2010-spurr-r3-tvol-bark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 227 trees.
- [Cerrado s.s. MG, Total volume without bark, Schumacher-Hall log, regions 2 and 3 pooled](https://treeallometry.org/equations/rufini-2010-sh-r23-tvol-nobark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height.
- [Cerrado s.s. MG, Total volume without bark, Schumacher-Hall log, SF 1, 2, 3, 4 sub-basins (region 1)](https://treeallometry.org/equations/rufini-2010-sh-r1-tvol-nobark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 157 trees.
- [Cerrado s.s. MG, Total volume without bark, Schumacher-Hall log, SF 5, 6, 10 sub-basins (region 2)](https://treeallometry.org/equations/rufini-2010-sh-r2-tvol-nobark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 113 trees.
- [Cerrado s.s. MG, Total volume without bark, Schumacher-Hall log, SF 7, 8, 9 sub-basins (region 3)](https://treeallometry.org/equations/rufini-2010-sh-r3-tvol-nobark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 227 trees.
- [Cerrado s.s. MG, Total volume without bark, Spurr log, SF 1, 2, 3, 4 sub-basins (region 1)](https://treeallometry.org/equations/rufini-2010-spurr-r1-tvol-nobark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 157 trees.
- [Cerrado s.s. MG, Total volume without bark, Spurr log, SF 5, 6, 10 sub-basins (region 2)](https://treeallometry.org/equations/rufini-2010-spurr-r2-tvol-nobark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 113 trees.
- [Cerrado s.s. MG, Total volume without bark, Spurr log, SF 7, 8, 9 sub-basins (region 3)](https://treeallometry.org/equations/rufini-2010-spurr-r3-tvol-nobark/), Rufini et al. 2010: Cerrado sensu stricto tree species (mixed), Brazil; inputs DBH + Height; 227 trees.
- [Cerrado total volume with bark from DBH and height, Goal Programming (model 1)](https://treeallometry.org/equations/morais-2014-vol-m1-gp/), Morais et al. 2014: Cerrado sensu stricto and campo cerrado woody species (99 species), Brazil; inputs DBH + Height; 696 trees.
- [Cerrado total volume with bark from DBH and height, OLS (model 1)](https://treeallometry.org/equations/morais-2014-vol-m1-ols/), Morais et al. 2014: Cerrado sensu stricto and campo cerrado woody species (99 species), Brazil; inputs DBH + Height; 696 trees.
- [Cerrado total volume with bark from DBH only, Goal Programming (model 4)](https://treeallometry.org/equations/morais-2014-vol-m4-gp/), Morais et al. 2014: Cerrado sensu stricto and campo cerrado woody species (99 species), Brazil; inputs DBH; 696 trees.
- [Cerrado total volume with bark from DBH only, OLS (model 4)](https://treeallometry.org/equations/morais-2014-vol-m4-ols/), Morais et al. 2014: Cerrado sensu stricto and campo cerrado woody species (99 species), Brazil; inputs DBH; 696 trees.
- [Julbernardia globiflora total merchantable volume from D2H](https://treeallometry.org/equations/manjate-2025-jglobiflora-total-volume/), Manjate et al. 2025: Julbernardia globiflora, Mozambique; inputs DBH + Height; DBH 14–62 cm; 23 trees.
- [Miombo Regional total volume from stump diameter](https://treeallometry.org/equations/manyanda-2019-volume-regional/), Manyanda et al. 2019: Miombo woodland trees (mixed species), Tanzania; inputs D30; 114 trees.
- [Nothofagus antarctica total over-bark volume from D and H (Schumacher-Hall, Cuadro 4)](https://treeallometry.org/equations/lencinas-2002-vtcc-sh/), Lencinas et al. 2002: Nothofagus antarctica, Argentina; inputs DBH + Height; DBH 7.5–61 cm; 251 trees.
- [Nothofagus obliqua (roble) total volume, ln v from ln(d²h) (Cuadro 5, Grupo 3)](https://treeallometry.org/equations/salas-2002-roble-v-d2h/), Salas Eljatib 2002: Nothofagus obliqua, Chile; inputs DBH + Height; DBH 11.5–121 cm; 107 trees.
- [Tanzania lowland forest, Dindili and Rondo combined, total volume, D and H (model 8)](https://treeallometry.org/equations/mugasha-2016-volume-general-m8/), Mugasha et al. 2016: Mixed lowland forest tree species, Tanzania; inputs DBH + Height; 60 trees.
- [Tanzania lowland forest, Dindili and Rondo combined, total volume, D only (model 7)](https://treeallometry.org/equations/mugasha-2016-volume-general-m7/), Mugasha et al. 2016: Mixed lowland forest tree species, Tanzania; inputs DBH; 60 trees.
- [Total tree volume from DBH (Eq. 8)](https://treeallometry.org/equations/segura-2005-vtot-lnd/), Segura & Kanninen 2005: Seven dominant canopy species (Carapa guianensis, Inga coruscans, Laetia procera, Pentaclethra macroloba, Stryphnodendron microstachyum, Tapirira guianensis, Vochysia ferruginea), Costa Rica; inputs DBH; DBH 60–105 cm; 19 trees.
- [Total wood volume from DBH (Model 1, Table 5)](https://treeallometry.org/equations/de-cauwer-2020-vtot-d/), De Cauwer et al. 2020: Pterocarpus angolensis, Namibia, Angola; inputs DBH; DBH 9–73 cm; 69 trees.
- [Total wood volume from DBH and height (Model 3, Table 5)](https://treeallometry.org/equations/de-cauwer-2020-vtot-d-h/), De Cauwer et al. 2020: Pterocarpus angolensis, Namibia, Angola; inputs DBH + Height; DBH 9–73 cm; 69 trees.

## Height (59)

- [Africa Weibull height–diameter model](https://treeallometry.org/equations/feldpausch-2012-weibull-africa/), Feldpausch et al. 2012: Tropical forest trees (permanent plots), Africa (C., E. and W. Africa plots); inputs DBH; DBH from 10 cm; 11,910 trees.
- [Aleurites moluccana height from D (linear, Table 2)](https://treeallometry.org/equations/tiralla-2013-h-aleurites/), Tiralla et al. 2013: Aleurites moluccana, Indonesia; inputs DBH; DBH 14.1–51.6 cm; 23 trees.
- [B. balcooa culm height from diameter at breast height (H-D model, Table 9)](https://treeallometry.org/equations/kaushal-2022-balcooa-hd/), Kaushal et al. 2022: Bambusa balcooa, India; inputs DBH.
- [B. bambos culm height from diameter at breast height (H-D model, Table 9)](https://treeallometry.org/equations/kaushal-2022-bambos-hd/), Kaushal et al. 2022: Bambusa bambos, India; inputs DBH.
- [B. nutans culm height from diameter at breast height (H-D model, Table 9)](https://treeallometry.org/equations/kaushal-2022-nutans-hd/), Kaushal et al. 2022: Bambusa nutans, India; inputs DBH.
- [B. vulgaris culm height from diameter at breast height (H-D model, Table 9)](https://treeallometry.org/equations/kaushal-2022-vulgaris-hd/), Kaushal et al. 2022: Bambusa vulgaris, India; inputs DBH.
- [C. tabularis height from D (1/H = a + b/D, Model 3)](https://treeallometry.org/equations/tipu-2021-h-inverse/), Tipu et al. 2021: Chukrasia tabularis, Bangladesh; inputs DBH; DBH 9–52 cm.
- [Chir pine height from D (M1, power)](https://treeallometry.org/equations/thapa-2013-h-power/), Thapa et al. 2013: Pinus roxburghii, Nepal; inputs DBH; DBH 5.57–61.94 cm; 180 trees.
- [Chir pine height from D, cubic (M3)](https://treeallometry.org/equations/upadhyay-2024-h-cubic/), Upadhyay & Khadka 2024: Pinus roxburghii, Nepal; inputs DBH.
- [Chir pine height from D, inverse (M5)](https://treeallometry.org/equations/upadhyay-2024-h-inverse/), Upadhyay & Khadka 2024: Pinus roxburghii, Nepal; inputs DBH.
- [Chir pine height from D, linear (M1)](https://treeallometry.org/equations/upadhyay-2024-h-linear/), Upadhyay & Khadka 2024: Pinus roxburghii, Nepal; inputs DBH.
- [Chir pine height from D, quadratic (M2)](https://treeallometry.org/equations/upadhyay-2024-h-quadratic/), Upadhyay & Khadka 2024: Pinus roxburghii, Nepal; inputs DBH.
- [Coprosma robusta, NZ, height from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-coprosma-h/), Marden et al. 2025: Coprosma robusta, New Zealand; inputs Root collar diameter.
- [Cordyline australis, NZ, height from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-cordyline-h/), Marden et al. 2025: Cordyline australis, New Zealand; inputs Root collar diameter.
- [Coriaria arborea, NZ, height from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-coriaria-h/), Marden et al. 2025: Coriaria arborea, New Zealand; inputs Root collar diameter.
- [D. hamiltonii culm height from diameter at breast height (H-D model, Table 9)](https://treeallometry.org/equations/kaushal-2022-hamiltonii-hd/), Kaushal et al. 2022: Dendrocalamus hamiltonii, India; inputs DBH.
- [D. stocksii culm height from diameter at breast height (H-D model, Table 9)](https://treeallometry.org/equations/kaushal-2022-stocksii-hd/), Kaushal et al. 2022: Dendrocalamus stocksii, India; inputs DBH.
- [D. strictus culm height from diameter at breast height (H-D model, Table 9)](https://treeallometry.org/equations/kaushal-2022-strictus-hd/), Kaushal et al. 2022: Dendrocalamus strictus, India; inputs DBH.
- [Gliricidia sepium height from D (non-rectangular hyperbola, Table 3)](https://treeallometry.org/equations/tiralla-2013-h-gliricidia/), Tiralla et al. 2013: Gliricidia sepium, Indonesia; inputs DBH; DBH 7–44.1 cm; 28 trees.
- [Height from DBH, logistic power (Table 3)](https://treeallometry.org/equations/barbosa-2019-logistic-power/), Barbosa et al. 2019: Mixed tree species of ombrophilous/seasonal forest ecotone (65 fallen trees), Brazil; inputs DBH; DBH from 10 cm; 65 trees.
- [Height from DBH, Michaelis-Menten (Table 3, best fit)](https://treeallometry.org/equations/barbosa-2019-michaelis-menten/), Barbosa et al. 2019: Mixed tree species of ombrophilous/seasonal forest ecotone (65 fallen trees), Brazil; inputs DBH; DBH from 10 cm; 65 trees.
- [Height from DBH, Michaelis-Menten model, both forests pooled](https://treeallometry.org/equations/baia-2025-both-michaelis-menten/), Baia et al. 2025: Mixed Amazonian forest trees (367 species in terra-firme, 65 in várzea), Brazil; inputs DBH; DBH 1–139.5 cm; 1,962 trees.
- [Height from DBH, Michaelis-Menten model, terra-firme](https://treeallometry.org/equations/baia-2025-terra-firme-michaelis-menten/), Baia et al. 2025: Mixed Amazonian forest trees (367 species in terra-firme, 65 in várzea), Brazil; inputs DBH; DBH 1–109.1 cm; 1,156 trees.
- [Height from DBH, Michaelis-Menten model, várzea](https://treeallometry.org/equations/baia-2025-varzea-michaelis-menten/), Baia et al. 2025: Mixed Amazonian forest trees (367 species in terra-firme, 65 in várzea), Brazil; inputs DBH; DBH 5–139.5 cm; 806 trees.
- [Height from DBH, modified exponential (Table 3)](https://treeallometry.org/equations/barbosa-2019-modified-exponential/), Barbosa et al. 2019: Mixed tree species of ombrophilous/seasonal forest ecotone (65 fallen trees), Brazil; inputs DBH; DBH from 10 cm; 65 trees.
- [Height from DBH, natural-log model (Table 3)](https://treeallometry.org/equations/barbosa-2019-natural-log/), Barbosa et al. 2019: Mixed tree species of ombrophilous/seasonal forest ecotone (65 fallen trees), Brazil; inputs DBH; DBH from 10 cm; 65 trees.
- [Height from DBH, Quadratic model, both forests pooled](https://treeallometry.org/equations/baia-2025-both-quadratic/), Baia et al. 2025: Mixed Amazonian forest trees (367 species in terra-firme, 65 in várzea), Brazil; inputs DBH; DBH 1–139.5 cm; 1,962 trees.
- [Height from DBH, Quadratic model, terra-firme](https://treeallometry.org/equations/baia-2025-terra-firme-quadratic/), Baia et al. 2025: Mixed Amazonian forest trees (367 species in terra-firme, 65 in várzea), Brazil; inputs DBH; DBH 1–109.1 cm; 1,156 trees.
- [Height from DBH, Quadratic model, várzea](https://treeallometry.org/equations/baia-2025-varzea-quadratic/), Baia et al. 2025: Mixed Amazonian forest trees (367 species in terra-firme, 65 in várzea), Brazil; inputs DBH; DBH 5–139.5 cm; 806 trees.
- [Height from DBH, Weibull model, both forests pooled](https://treeallometry.org/equations/baia-2025-both-weibull/), Baia et al. 2025: Mixed Amazonian forest trees (367 species in terra-firme, 65 in várzea), Brazil; inputs DBH; DBH 1–139.5 cm; 1,962 trees.
- [Hoheria populnea, NZ, height from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-hoheria-h/), Marden et al. 2025: Hoheria populnea, New Zealand; inputs Root collar diameter.
- [Knightia excelsa, NZ, height from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-knightia-h/), Marden et al. 2025: Knightia excelsa, New Zealand; inputs Root collar diameter.
- [Leptospermum scoparium, NZ, height from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-leptospermum-h/), Marden et al. 2025: Leptospermum scoparium, New Zealand; inputs Root collar diameter.
- [Mopane height from D (power H-D model)](https://treeallometry.org/equations/lisboa-2025-hd-power/), Lisboa et al. 2025: Colophospermum mopane, Mozambique; inputs DBH; DBH 5–109 cm.
- [Myrsine australis, NZ, height from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-myrsine-h/), Marden et al. 2025: Myrsine australis, New Zealand; inputs Root collar diameter.
- [Pantropical height–diameter model with stress index E (Eq. 6a)](https://treeallometry.org/equations/chave-2014-eq6a/), Chave et al. 2014: Tropical trees (58 sites), Pantropical; inputs E + DBH; DBH 5–212 cm.
- [Pantropical Weibull height–diameter model](https://treeallometry.org/equations/feldpausch-2012-weibull-pantropical/), Feldpausch et al. 2012: Tropical forest trees (permanent plots), Pantropical; inputs DBH; DBH from 10 cm; 42,656 trees.
- [Pittosporum eugenoides, NZ, height from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-piteug-h/), Marden et al. 2025: Pittosporum eugenoides, New Zealand; inputs Root collar diameter.
- [Pittosporum tenuifolium, NZ, height from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-pitten-h/), Marden et al. 2025: Pittosporum tenuifolium, New Zealand; inputs Root collar diameter.
- [Plagianthus regius, NZ, height from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-plagianthus-h/), Marden et al. 2025: Plagianthus regius, New Zealand; inputs Root collar diameter.
- [Pseudopanax arboreus, NZ, height from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-pseudopanax-h/), Marden et al. 2025: Pseudopanax arboreus, New Zealand; inputs Root collar diameter.
- [Shorea assamica height from D, Linear model (Table 4)](https://treeallometry.org/equations/wirabuana-2025-h-linear/), Wirabuana et al. 2025: Shorea assamica, Indonesia; inputs DBH; DBH 20–67 cm; 1,009 trees.
- [Shorea assamica height from D, Power model (best fit, Table 4)](https://treeallometry.org/equations/wirabuana-2025-h-power/), Wirabuana et al. 2025: Shorea assamica, Indonesia; inputs DBH; DBH 20–67 cm; 1,009 trees.
- [Shorea assamica height from D, Sigmoid model (Table 4)](https://treeallometry.org/equations/wirabuana-2025-h-sigmoid/), Wirabuana et al. 2025: Shorea assamica, Indonesia; inputs DBH; DBH 20–67 cm; 1,009 trees.
- [Sophora tetraptera, NZ, height from RCD (Table 3)](https://treeallometry.org/equations/marden-2025-sophora-h/), Marden et al. 2025: Sophora tetraptera, New Zealand; inputs Root collar diameter.
- [South America Weibull height–diameter model](https://treeallometry.org/equations/feldpausch-2012-weibull-south-america/), Feldpausch et al. 2012: Tropical forest trees (permanent plots), South America (Amazonia and Guiana Shield plots); inputs DBH; DBH from 10 cm; 19,262 trees.
- [South-East Asia Weibull height–diameter model](https://treeallometry.org/equations/feldpausch-2012-weibull-se-asia/), Feldpausch et al. 2012: Tropical forest trees (permanent plots), Asia: South-East Asia plots; inputs DBH; DBH from 10 cm; 2,948 trees.
- [Tanzania All Tanzania Mainland forest types (regional model), height from D (base model, Table 4)](https://treeallometry.org/equations/mugasha-2019-h-regional/), Mugasha et al. 2019: Mixed tree species, All Tanzania Mainland forest types (regional model); inputs DBH; DBH 1–149.9 cm; 31,782 trees.
- [Tanzania Bushlands, height from D (base model, Table 4)](https://treeallometry.org/equations/mugasha-2019-h-bushlands/), Mugasha et al. 2019: Mixed tree species, Bushlands, Tanzania; inputs DBH; DBH 1–83.1 cm; 3,669 trees.
- [Tanzania Cultivated land, height from D (base model, Table 4)](https://treeallometry.org/equations/mugasha-2019-h-cultivated/), Mugasha et al. 2019: Mixed tree species, Cultivated land, Tanzania; inputs DBH; DBH 1–149.9 cm; 1,866 trees.
- [Tanzania Eucalyptus species, height from D (base model, Table 4)](https://treeallometry.org/equations/mugasha-2019-h-eucalyptus/), Mugasha et al. 2019: Mixed tree species, Eucalyptus species, Tanzania; inputs DBH; DBH 5.2–82.5 cm; 100 trees.
- [Tanzania Grasslands, height from D (base model, Table 4)](https://treeallometry.org/equations/mugasha-2019-h-grasslands/), Mugasha et al. 2019: Mixed tree species, Grasslands, Tanzania; inputs DBH; DBH 1–75 cm; 934 trees.
- [Tanzania Humid montane forest, height from D (base model, Table 4)](https://treeallometry.org/equations/mugasha-2019-h-montane/), Mugasha et al. 2019: Mixed tree species, Humid montane forest, Tanzania; inputs DBH; DBH 1–141 cm; 2,111 trees.
- [Tanzania Lowland forest, height from D (base model, Table 4)](https://treeallometry.org/equations/mugasha-2019-h-lowland/), Mugasha et al. 2019: Mixed tree species, Lowland forest, Tanzania; inputs DBH; DBH 1–122.4 cm; 2,278 trees.
- [Tanzania Mangroves, height from D (base model, Table 4)](https://treeallometry.org/equations/mugasha-2019-h-mangroves/), Mugasha et al. 2019: Mixed tree species, Mangroves, Tanzania; inputs DBH; DBH 1–46.4 cm; 307 trees.
- [Tanzania Miombo woodlands, height from D (base model, Table 4)](https://treeallometry.org/equations/mugasha-2019-h-woodlands/), Mugasha et al. 2019: Mixed tree species, Miombo woodlands, Tanzania; inputs DBH; DBH 1–123.4 cm; 20,080 trees.
- [Tanzania Pine species, height from D (base model, Table 4)](https://treeallometry.org/equations/mugasha-2019-h-pines/), Mugasha et al. 2019: Mixed tree species, Pine species, Tanzania; inputs DBH; DBH 1.8–54.2 cm; 340 trees.
- [Tanzania Wetland forests, height from D (base model, Table 4)](https://treeallometry.org/equations/mugasha-2019-h-wetlands/), Mugasha et al. 2019: Mixed tree species, Wetland forests, Tanzania; inputs DBH; DBH 2.2–93 cm; 97 trees.
- [Teak height from D (H2, logarithmic)](https://treeallometry.org/equations/koirala-2017-h-log/), Koirala et al. 2017: Tectona grandis, Nepal; inputs DBH; DBH 6.37–58.92 cm; 31 trees.

## Root:shoot ratio (8)

- [Root-to-shoot ratio, Tropical dry forest, Africa (natural, AGB ≤ 125 t/ha)](https://treeallometry.org/equations/ipcc-2019-v4-ch4-rs-dry-africa-le125/), Domke et al. 2019: Tropical dry forest trees, Africa; Tropical dry ecological zone (FAO 2015 Global Ecological Zones); inputs constant.
- [Root-to-shoot ratio, Tropical dry forest, North and South America (natural, AGB ≤ 125 t/ha)](https://treeallometry.org/equations/ipcc-2019-v4-ch4-rs-dry-americas-le125/), Domke et al. 2019: Tropical dry forest trees, North and South America; Tropical dry ecological zone (FAO 2015 Global Ecological Zones); inputs constant.
- [Root-to-shoot ratio, Tropical moist forest, North and South America (natural, AGB ≤ 125 t/ha)](https://treeallometry.org/equations/ipcc-2019-v4-ch4-rs-moist-americas-le125/), Domke et al. 2019: Tropical moist forest trees, North and South America; Tropical moist ecological zone (FAO 2015 Global Ecological Zones); inputs constant.
- [Root-to-shoot ratio, Tropical mountain forest, North and South America (natural, AGB ≤ 125 t/ha)](https://treeallometry.org/equations/ipcc-2019-v4-ch4-rs-mountain-americas-le125/), Domke et al. 2019: Tropical mountain forest trees, North and South America; Tropical mountain ecological zone (FAO 2015 Global Ecological Zones); inputs constant.
- [Root-to-shoot ratio, Tropical rainforest forest, Africa (natural, AGB > 125 t/ha)](https://treeallometry.org/equations/ipcc-2019-v4-ch4-rs-rainforest-africa-gt125/), Domke et al. 2019: Tropical rainforest forest trees, Africa; Tropical rainforest ecological zone (FAO 2015 Global Ecological Zones); inputs constant.
- [Root-to-shoot ratio, Tropical rainforest forest, Africa (natural, AGB ≤ 125 t/ha)](https://treeallometry.org/equations/ipcc-2019-v4-ch4-rs-rainforest-africa-le125/), Domke et al. 2019: Tropical rainforest forest trees, Africa; Tropical rainforest ecological zone (FAO 2015 Global Ecological Zones); inputs constant.
- [Root-to-shoot ratio, Tropical rainforest forest, Asia (natural, AGB ≤ 125 t/ha)](https://treeallometry.org/equations/ipcc-2019-v4-ch4-rs-rainforest-asia-le125/), Domke et al. 2019: Tropical rainforest forest trees, Asia; Tropical rainforest ecological zone (FAO 2015 Global Ecological Zones); inputs constant.
- [Root-to-shoot ratio, Tropical rainforest forest, North and South America (natural, AGB ≤ 125 and > 125 (same value) t/ha)](https://treeallometry.org/equations/ipcc-2019-v4-ch4-rs-rainforest-americas-natural/), Domke et al. 2019: Tropical rainforest forest trees, North and South America; Tropical rainforest ecological zone (FAO 2015 Global Ecological Zones); inputs constant.