Every photo in this guide was taken by the photographer named below and is used under the license shown. Click a license to read its terms, or a source to see the original photo. Photos were resized to fit this site; no other changes were made.
Source: Wikimedia Commons. All photos allow commercial use with credit. Tree descriptions and ID tips were written for this guide.
| Tree | Photo | Photographer | License | Source |
|---|---|---|---|---|
| Alaska cedar Callitropsis nootkatensis | Leaf | Crusier | CC BY-SA 3.0 | Wikimedia Commons |
| Alaska cedar Callitropsis nootkatensis | Whole tree | Crusier | CC BY 3.0 | Wikimedia Commons |
| Allegheny serviceberry Amelanchier laevis | Leaf | Robert H. Mohlenbrock | Public domain | Wikimedia Commons |
| Allegheny serviceberry Amelanchier laevis | Whole tree | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| American basswood Tilia americana | Leaf | Rohit Naniwadekar | CC BY-SA 4.0 | Wikimedia Commons |
| American basswood Tilia americana | Whole tree | Victuallers | CC BY-SA 4.0 | Wikimedia Commons |
| American beech Fagus grandifolia | Leaf | Katja Schulz from Washington, D. C., USA | CC BY 2.0 | Wikimedia Commons |
| American beech Fagus grandifolia | Whole tree | Marty Aligata | CC BY-SA 4.0 | Wikimedia Commons |
| American chestnut Castanea dentata | Leaf | Jaknouse | CC BY-SA 3.0 | Wikimedia Commons |
| American chestnut Castanea dentata | Whole tree | Rbreidbrown | CC BY-SA 4.0 | Wikimedia Commons |
| American elm Ulmus americana | Leaf | Ptelea | CC BY-SA 4.0 | Wikimedia Commons |
| American elm Ulmus americana | Whole tree | AustralianElm | CC BY-SA 4.0 | Wikimedia Commons |
| American holly Ilex opaca | Leaf | Chris Light | CC BY-SA 4.0 | Wikimedia Commons |
| American holly Ilex opaca | Whole tree | Alex Abair | CC BY 4.0 | Wikimedia Commons |
| American hornbeam Carpinus caroliniana | Leaf | Nadiatalent | CC BY-SA 4.0 | Wikimedia Commons |
| American hornbeam Carpinus caroliniana | Whole tree | Rob Duval | CC BY-SA 3.0 | Wikimedia Commons |
| American mountain-ash Sorbus americana | Leaf | Ayotte, Gilles, 1948- | CC BY-SA 4.0 | Wikimedia Commons |
| American smoketree Cotinus obovatus | Leaf | Photo by David J. Stang | CC BY-SA 4.0 | Wikimedia Commons |
| American smoketree Cotinus obovatus | Whole tree | David Hawgood | CC BY-SA 2.0 | Wikimedia Commons |
| American sycamore Platanus occidentalis | Leaf | Katja Schulz from Washington, D. C., USA | CC BY 2.0 | Wikimedia Commons |
| American sycamore Platanus occidentalis | Whole tree | Whoisjohngalt | CC BY-SA 4.0 | Wikimedia Commons |
| American witch-hazel Hamamelis virginiana | Leaf | Photo by and (c)2007 Derek Ramsey (Ram-Man) | CC BY-SA 2.5 | Wikimedia Commons |
| American yellowwood Cladrastis kentukea | Leaf | Photo by David J. Stang | CC BY-SA 4.0 | Wikimedia Commons |
| American yellowwood Cladrastis kentukea | Whole tree | Agnieszka Kwiecień, Nova | CC BY-SA 4.0 | Wikimedia Commons |
| Amur corktree Phellodendron amurense | Leaf | Hladac | CC BY-SA 4.0 | Wikimedia Commons |
| Amur corktree Phellodendron amurense | Whole tree | Magnus Manske | CC BY-SA 3.0 | Wikimedia Commons |
| Amur maackia Maackia amurensis | Leaf | Jean-Pol GRANDMONT | CC BY 3.0 | Wikimedia Commons |
| Amur maackia Maackia amurensis | Whole tree | Jean-Pol GRANDMONT | CC BY 3.0 | Wikimedia Commons |
| Amur maple Acer ginnala | Leaf | Herman, D.E. et al. 1996. North Dakota tree handbook. USDA NRCS ND State Soil… | Public domain | Wikimedia Commons |
| Amur maple Acer ginnala | Whole tree | Matthieu Sontag | CC BY-SA 3.0 | Wikimedia Commons |
| Apple Malus domestica | Leaf | Wilhelm Zimmerling PAR | CC BY-SA 4.0 | Wikimedia Commons |
| Arizona cypress Cupressus arizonica | Leaf | Norbert Nagel | CC BY-SA 3.0 | Wikimedia Commons |
| Arizona cypress Cupressus arizonica | Whole tree | Chris M | CC BY 2.0 | Wikimedia Commons |
| Austrian pine Pinus nigra | Leaf | Sylvain Piry | CC BY-SA 2.0 fr | Wikimedia Commons |
| Austrian pine Pinus nigra | Whole tree | Agnieszka Kwiecień (Nova) | CC BY 2.5 | Wikimedia Commons |
| Baldcypress Taxodium distichum | Leaf | Liné1 | CC BY-SA 3.0 | Wikimedia Commons |
| Baldcypress Taxodium distichum | Whole tree | Crusier | CC BY 3.0 | Wikimedia Commons |
| Balsam fir Abies balsamea | Leaf | Rob Routledge, Sault College, Bugwood.org | CC BY 3.0 us | Wikimedia Commons |
| Balsam poplar Populus balsamifera | Leaf | Lynden Gerdes @ USDA-NRCS PLANTS Database / USDA NRCS. 1995. Northeast wetland f | Public domain | Wikimedia Commons |
| Balsam poplar Populus balsamifera | Whole tree | Vera de Kok | CC BY-SA 4.0 | Wikimedia Commons |
| Bigleaf linden Tilia platyphyllos | Leaf | Gmihail at Serbian Wikipedia | CC BY-SA 3.0 rs | Wikimedia Commons |
| Bigleaf linden Tilia platyphyllos | Whole tree | Janusz Krzyżek | CC BY-SA 4.0 | Wikimedia Commons |
| Bigleaf magnolia Magnolia macrophylla | Leaf | Photo (c)2007 Derek Ramsey (Ram-Man) | CC BY-SA 2.5 | Wikimedia Commons |
| Bigleaf magnolia Magnolia macrophylla | Whole tree | William (Ned) Friedman | CC BY-SA 4.0 | Wikimedia Commons |
| Bigleaf maple Acer macrophyllum | Leaf | SuperFantastic | CC BY 2.0 | Wikimedia Commons |
| Bigleaf maple Acer macrophyllum | Whole tree | pfly | CC BY-SA 2.0 | Wikimedia Commons |
| Bigtooth aspen Populus grandidentata | Leaf | Fungus Guy | CC BY-SA 3.0 | Wikimedia Commons |
| Bigtooth aspen Populus grandidentata | Whole tree | Darren Kirby from Edmonton, AB, Canada | CC BY-SA 2.0 | Wikimedia Commons |
| Bitternut hickory Carya cordiformis | Leaf | Tom Nagy | CC BY-SA 3.0 | Wikimedia Commons |
| Bitternut hickory Carya cordiformis | Whole tree | AnRo0002 | CC0 | Wikimedia Commons |
| Black ash Fraxinus nigra | Leaf | Keith Kanoti, Maine Forest Service, USA | CC BY 3.0 us | Wikimedia Commons |
| Black ash Fraxinus nigra | Whole tree | Herman, D.E., et al. 1996. North Dakota tree handbook. USDA NRCS ND State Soil C | Public domain | Wikimedia Commons |
| Black cherry Prunus serotina | Leaf | Famartin | CC BY-SA 4.0 | Wikimedia Commons |
| Black cottonwood Populus trichocarpa | Leaf | Daniel Mayer (mav) | CC BY-SA 3.0 | Wikimedia Commons |
| Black gum Nyssa sylvatica | Leaf | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Black gum Nyssa sylvatica | Whole tree | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Black locust Robinia pseudoacacia | Leaf | Simon A. Eugster | CC BY-SA 3.0 | Wikimedia Commons |
| Black locust Robinia pseudoacacia | Whole tree | DenesFeri | CC BY-SA 4.0 | Wikimedia Commons |
| Black maple Acer nigrum | Leaf | Chris Light | CC BY-SA 4.0 | Wikimedia Commons |
| Black oak Quercus velutina | Leaf | Jay Sturner from USA | CC BY 2.0 | Wikimedia Commons |
| Black oak Quercus velutina | Whole tree | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Black spruce Picea mariana | Leaf | MPF | CC BY-SA 3.0 | Wikimedia Commons |
| Black walnut Juglans nigra | Leaf | Pologodef | CC BY-SA 4.0 | Wikimedia Commons |
| Blackjack oak Quercus marilandica | Leaf | The original uploader was Ed Uebel at English Wikipedia. | CC BY-SA 3.0 | Wikimedia Commons |
| Blue ash Fraxinus quadrangulata | Leaf | James St. John | CC BY 2.0 | Wikimedia Commons |
| Blue ash Fraxinus quadrangulata | Whole tree | Mason Brock (Masebrock) | Public domain | Wikimedia Commons |
| Boxelder Acer negundo | Leaf | Gmihail at Serbian Wikipedia | CC BY-SA 3.0 rs | Wikimedia Commons |
| Boxelder Acer negundo | Whole tree | Jovo26 | CC0 | Wikimedia Commons |
| Bur oak Quercus macrocarpa | Leaf | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Bur oak Quercus macrocarpa | Whole tree | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Butternut Juglans cinerea | Leaf | Nekrasov.ig | CC BY-SA 3.0 | Wikimedia Commons |
| Butternut Juglans cinerea | Whole tree | H. Zell | CC BY-SA 3.0 | Wikimedia Commons |
| California bay laurel Umbellularia californica | Leaf | Awinch1001 | CC BY 4.0 | Wikimedia Commons |
| California bay laurel Umbellularia californica | Whole tree | Awinch1001 | CC BY 4.0 | Wikimedia Commons |
| California black oak Quercus kelloggii | Leaf | Awinch1001 | CC BY 4.0 | Wikimedia Commons |
| California black oak Quercus kelloggii | Whole tree | Awinch1001 | CC BY 4.0 | Wikimedia Commons |
| California sycamore Platanus racemosa | Leaf | Awinch1001 | CC0 | Wikimedia Commons |
| California sycamore Platanus racemosa | Whole tree | Downtowngal | CC BY-SA 3.0 | Wikimedia Commons |
| Callery pear Pyrus calleryana | Leaf | Downtowngal | CC BY-SA 4.0 | Wikimedia Commons |
| Callery pear Pyrus calleryana | Whole tree | Michael Rivera | CC BY-SA 4.0 | Wikimedia Commons |
| Camphor tree Cinnamomum camphora | Leaf | Forest and Kim Starr | CC BY 3.0 us | Wikimedia Commons |
| Camphor tree Cinnamomum camphora | Whole tree | Forest and Kim Starr | CC BY 3.0 us | Wikimedia Commons |
| Carolina silverbell Halesia carolina | Leaf | JMK | CC BY-SA 3.0 | Wikimedia Commons |
| Carolina silverbell Halesia carolina | Whole tree | Sgerbic | CC BY-SA 4.0 | Wikimedia Commons |
| Cascara Frangula purshiana | Leaf | Thayne Tuason | CC BY-SA 4.0 | Wikimedia Commons |
| Cedar elm Ulmus crassifolia | Leaf | Mason Brock (Masebrock) | Public domain | Wikimedia Commons |
| Cedar elm Ulmus crassifolia | Whole tree | Larry D. Moore | CC BY 4.0 | Wikimedia Commons |
| Chestnut oak Quercus montana | Leaf | Bruce Kirchoff from Greensboro, NC, USA | CC BY 2.0 | Wikimedia Commons |
| Chestnut oak Quercus montana | Whole tree | Yercaud-elango | CC BY-SA 4.0 | Wikimedia Commons |
| Chinese pistache Pistacia chinensis | Leaf | Magnus Manske | CC BY-SA 3.0 | Wikimedia Commons |
| Chinese pistache Pistacia chinensis | Whole tree | そらみみ (Soramimi) | CC BY-SA 4.0 | Wikimedia Commons |
| Chinese tallow Triadica sebifera | Leaf | JonRichfield | CC BY-SA 4.0 | Wikimedia Commons |
| Chinese tallow Triadica sebifera | Whole tree | Avi1111 dr. avishai teicher | CC BY-SA 4.0 | Wikimedia Commons |
| Chinkapin oak Quercus muehlenbergii | Leaf | Richard Webb, Self-employed horticulurist, Bugwood.org | CC BY 3.0 | Wikimedia Commons |
| Chinkapin oak Quercus muehlenbergii | Whole tree | Kim Scarborough | CC BY-SA 2.5 | Wikimedia Commons |
| Chokecherry Prunus virginiana | Leaf | Botteville | Public domain | Wikimedia Commons |
| Chokecherry Prunus virginiana | Whole tree | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Coast live oak Quercus agrifolia | Leaf | Eric Polk | CC BY-SA 4.0 | Wikimedia Commons |
| Coast live oak Quercus agrifolia | Whole tree | Stickpen | Public domain | Wikimedia Commons |
| Coast redwood Sequoia sempervirens | Leaf | Forest and Kim Starr | CC BY 3.0 us | Wikimedia Commons |
| Coast redwood Sequoia sempervirens | Whole tree | Forest and Kim Starr | CC BY 3.0 us | Wikimedia Commons |
| Colorado spruce Picea pungens | Leaf | USDA-NRCS PLANTS Database / Herman, D.E. et al. 1996. North Dakota tree handbook | Public domain | Wikimedia Commons |
| Colorado spruce Picea pungens | Whole tree | Юрий Д.К. | CC BY 4.0 | Wikimedia Commons |
| Common hackberry Celtis occidentalis | Leaf | Chhe (talk) | Public domain | Wikimedia Commons |
| Common hackberry Celtis occidentalis | Whole tree | Masebrock at English Wikipedia | Public domain | Wikimedia Commons |
| Common hawthorn Crataegus monogyna | Leaf | Krzysztof Golik | CC BY-SA 4.0 | Wikimedia Commons |
| Common pear Pyrus communis | Leaf | Rabe! | CC BY-SA 3.0 | Wikimedia Commons |
| Common pear Pyrus communis | Whole tree | Calistemon | CC BY-SA 4.0 | Wikimedia Commons |
| Common persimmon Diospyros virginiana | Leaf | Alex Abair | CC BY 4.0 | Wikimedia Commons |
| Common persimmon Diospyros virginiana | Whole tree | Courtesy of USDA Forest Service, United States, Indiana. 1/1/1935. Provided By N | Public domain | Wikimedia Commons |
| Common smoketree Cotinus coggygria | Leaf | Photo by and (c)2006 Derek Ramsey (Ram-Man). Location credit to the Chanticleer Garden. | CC BY-SA 3.0 | Wikimedia Commons |
| Common smoketree Cotinus coggygria | Whole tree | Acabashi | CC BY-SA 4.0 | Wikimedia Commons |
| Cornelian cherry Cornus mas | Leaf | Krzysztof Golik | CC BY-SA 4.0 | Wikimedia Commons |
| Cornelian cherry Cornus mas | Whole tree | Janusz Krzyżek | CC BY-SA 4.0 | Wikimedia Commons |
| Crabapple Malus spp. | Leaf | Famartin | CC BY-SA 4.0 | Wikimedia Commons |
| Crabapple Malus spp. | Whole tree | Apple Cat | CC BY-SA 4.0 | Wikimedia Commons |
| Crapemyrtle Lagerstroemia indica | Leaf | Forest & Kim Starr | CC BY 3.0 | Wikimedia Commons |
| Crapemyrtle Lagerstroemia indica | Whole tree | Calistemon | CC BY-SA 4.0 | Wikimedia Commons |
| Cucumber magnolia Magnolia acuminata | Leaf | Liné1 | CC BY-SA 3.0 | Wikimedia Commons |
| Cucumber magnolia Magnolia acuminata | Whole tree | KATHERINE WAGNER-REISS | CC BY-SA 4.0 | Wikimedia Commons |
| Dawn redwood Metasequoia glyptostroboides | Leaf | Crusier | CC BY 3.0 | Wikimedia Commons |
| Dawn redwood Metasequoia glyptostroboides | Whole tree | Laitche | CC BY-SA 4.0 | Wikimedia Commons |
| Deodar cedar Cedrus deodara | Leaf | Gromhelm~commonswiki | CC BY-SA 2.5 | Wikimedia Commons |
| Deodar cedar Cedrus deodara | Whole tree | Sten Porse | CC BY-SA 3.0 | Wikimedia Commons |
| Douglas-fir Pseudotsuga menziesii | Leaf | Gilles San Martin | CC BY-SA 3.0 | Wikimedia Commons |
| Douglas-fir Pseudotsuga menziesii | Whole tree | Crusier | CC BY 3.0 | Wikimedia Commons |
| Downy serviceberry Amelanchier arborea | Leaf | Dcrjsr | CC BY 3.0 | Wikimedia Commons |
| Downy serviceberry Amelanchier arborea | Whole tree | Photo by David J. Stang | CC BY-SA 4.0 | Wikimedia Commons |
| Eastern cottonwood Populus deltoides | Leaf | Dave Powell, USDA Forest Service | Public domain | Wikimedia Commons |
| Eastern cottonwood Populus deltoides | Whole tree | USFWS Mountain-Prairie | Public domain | Wikimedia Commons |
| Eastern hemlock Tsuga canadensis | Leaf | James Lee from Chester, NH, USA | CC BY 2.0 | Wikimedia Commons |
| Eastern hemlock Tsuga canadensis | Whole tree | Janusz Krzyżek | CC BY-SA 4.0 | Wikimedia Commons |
| Eastern hophornbeam Ostrya virginiana | Leaf | Wilfredor | CC0 | Wikimedia Commons |
| Eastern hophornbeam Ostrya virginiana | Whole tree | Richard Webb, Bugwood.org, USA | CC BY 3.0 us | Wikimedia Commons |
| Eastern redbud Cercis canadensis | Leaf | そらみみ | CC BY-SA 4.0 | Wikimedia Commons |
| Eastern redbud Cercis canadensis | Whole tree | Michael Rivera | CC BY-SA 3.0 | Wikimedia Commons |
| Eastern redcedar Juniperus virginiana | Leaf | Alex Abair | CC BY 4.0 | Wikimedia Commons |
| Eastern redcedar Juniperus virginiana | Whole tree | USDA-NRCS PLANTS Database / Herman, D.E. et al. 1996. North Dakota tree handbook. USDA… | Public domain | Wikimedia Commons |
| Eastern white pine Pinus strobus | Leaf | Robert H. Mohlenbrock @ USDA-NRCS PLANTS Database / USDA NRCS. 1995. Northeast w | Public domain | Wikimedia Commons |
| Eastern white pine Pinus strobus | Whole tree | Nicholas A. Tonelli from Pennsylvania, USA | CC BY 2.0 | Wikimedia Commons |
| Empress tree Paulownia tomentosa | Leaf | Hladac | CC BY-SA 4.0 | Wikimedia Commons |
| Empress tree Paulownia tomentosa | Whole tree | Acabashi | CC BY-SA 4.0 | Wikimedia Commons |
| Engelmann spruce Picea engelmannii | Leaf | Chrysaora on Flickr | CC BY 2.0 | Wikimedia Commons |
| Engelmann spruce Picea engelmannii | Whole tree | Famartin | CC BY-SA 3.0 | Wikimedia Commons |
| English holly Ilex aquifolium | Leaf | Bob Harvey | CC BY-SA 2.0 | Wikimedia Commons |
| English holly Ilex aquifolium | Whole tree | Bob Harvey | CC BY-SA 2.0 | Wikimedia Commons |
| English oak Quercus robur | Leaf | Bob Harvey | CC BY-SA 2.0 | Wikimedia Commons |
| English oak Quercus robur | Whole tree | Andrew Huggett | CC BY-SA 2.0 | Wikimedia Commons |
| English walnut Juglans regia | Leaf | Wilhelm Zimmerling PAR | CC BY-SA 4.0 | Wikimedia Commons |
| English walnut Juglans regia | Whole tree | JLPC | CC BY-SA 3.0 | Wikimedia Commons |
| European beech Fagus sylvatica | Leaf | Eric Polk | CC BY-SA 4.0 | Wikimedia Commons |
| European beech Fagus sylvatica | Whole tree | Jean-Pol GRANDMONT | CC BY 3.0 | Wikimedia Commons |
| European black alder Alnus glutinosa | Leaf | Giovanni Caudullo | CC BY 4.0 | Wikimedia Commons |
| European hornbeam Carpinus betulus | Leaf | Penny Mayes | CC BY-SA 2.0 | Wikimedia Commons |
| European hornbeam Carpinus betulus | Whole tree | H. Zell | CC BY-SA 3.0 | Wikimedia Commons |
| European larch Larix decidua | Leaf | Rosser1954 Roger Griffith | Public domain | Wikimedia Commons |
| European larch Larix decidua | Whole tree | Dominicus Johannes Bergsma | CC BY-SA 4.0 | Wikimedia Commons |
| European mountain-ash Sorbus aucuparia | Leaf | Krzysztof Ziarnek, Kenraiz | CC BY-SA 4.0 | Wikimedia Commons |
| European mountain-ash Sorbus aucuparia | Whole tree | Evelyn Simak | CC BY-SA 2.0 | Wikimedia Commons |
| European white birch Betula pendula | Leaf | T. C. Woodeggs | CC BY-SA 4.0 | Wikimedia Commons |
| European white birch Betula pendula | Whole tree | Maplan | CC BY-SA 3.0 | Wikimedia Commons |
| Florida maple Acer floridanum | Leaf | Douglas Goldman | CC BY-SA 4.0 | Wikimedia Commons |
| Flowering dogwood Cornus florida | Leaf | Gmihail at Serbian Wikipedia | CC BY-SA 3.0 rs | Wikimedia Commons |
| Fraser fir Abies fraseri | Leaf | mindfrieze on Flickr | CC BY-SA 2.0 | Wikimedia Commons |
| Fraser fir Abies fraseri | Whole tree | Daderot | CC0 | Wikimedia Commons |
| Freeman maple Acer × freemanii | Leaf | Photo by David J. Stang | CC BY-SA 4.0 | Wikimedia Commons |
| Giant sequoia Sequoiadendron giganteum | Leaf | Aethonatic | CC0 | Wikimedia Commons |
| Giant sequoia Sequoiadendron giganteum | Whole tree | Marty Aligata | CC BY-SA 4.0 | Wikimedia Commons |
| Ginkgo Ginkgo biloba | Leaf | Rod Allday | CC BY-SA 2.0 | Wikimedia Commons |
| Ginkgo Ginkgo biloba | Whole tree | Philip Halling | CC BY-SA 2.0 | Wikimedia Commons |
| Goldenrain tree Koelreuteria paniculata | Leaf | Wouter Hagens | Public domain | Wikimedia Commons |
| Goldenrain tree Koelreuteria paniculata | Whole tree | H. Zell | CC BY-SA 3.0 | Wikimedia Commons |
| Grand fir Abies grandis | Leaf | Crusier | CC BY-SA 3.0 | Wikimedia Commons |
| Grand fir Abies grandis | Whole tree | Chris Schnepf, University of Idaho, United States | CC BY 3.0 us | Wikimedia Commons |
| Green ash Fraxinus pennsylvanica | Leaf | Keith Kanoti, Maine Forest Service, USA | CC BY 3.0 us | Wikimedia Commons |
| Green ash Fraxinus pennsylvanica | Whole tree | Steven Katovich, USDA Forest Service | CC BY 3.0 us | Wikimedia Commons |
| Hedge maple Acer campestre | Leaf | Dmitry Makeev | CC BY-SA 4.0 | Wikimedia Commons |
| Hedge maple Acer campestre | Whole tree | Bob Harvey | CC BY-SA 2.0 | Wikimedia Commons |
| Higan cherry Prunus subhirtella | Leaf | Photo by David J. Stang | CC BY-SA 4.0 | Wikimedia Commons |
| Higan cherry Prunus subhirtella | Whole tree | Agnieszka Kwiecień, Nova | CC BY-SA 4.0 | Wikimedia Commons |
| Himalayan birch Betula utilis | Leaf | Photo by David J. Stang | CC BY-SA 4.0 | Wikimedia Commons |
| Himalayan birch Betula utilis | Whole tree | Rakeshk9548 | CC BY-SA 4.0 | Wikimedia Commons |
| Himalayan white pine Pinus wallichiana | Leaf | Hladac | CC BY-SA 4.0 | Wikimedia Commons |
| Himalayan white pine Pinus wallichiana | Whole tree | FreCha | CC BY-SA 4.0 | Wikimedia Commons |
| Hinoki cypress Chamaecyparis obtusa | Leaf | Crusier | CC BY-SA 3.0 | Wikimedia Commons |
| Honey mesquite Prosopis glandulosa | Leaf | Forest and Kim Starr | CC BY 3.0 us | Wikimedia Commons |
| Honeylocust Gleditsia triacanthos | Leaf | Andrey Butko | CC BY-SA 3.0 | Wikimedia Commons |
| Honeylocust Gleditsia triacanthos | Whole tree | Ayotte, Gilles, 1948- | CC BY-SA 4.0 | Wikimedia Commons |
| Horse chestnut Aesculus hippocastanum | Leaf | Pöllö | CC BY 2.5 | Wikimedia Commons |
| Horse chestnut Aesculus hippocastanum | Whole tree | Homoarborea | CC0 | Wikimedia Commons |
| Hungarian oak Quercus frainetto | Leaf | Agnieszka Kwiecień, Nova | CC BY-SA 4.0 | Wikimedia Commons |
| Hungarian oak Quercus frainetto | Whole tree | Somepics | CC BY 3.0 | Wikimedia Commons |
| Incense-cedar Calocedrus decurrens | Leaf | Wsiegmund | CC BY 2.5 | Wikimedia Commons |
| Incense-cedar Calocedrus decurrens | Whole tree | André Karwath aka Aka | CC BY-SA 2.5 | Wikimedia Commons |
| Jack pine Pinus banksiana | Leaf | Crusier | CC BY-SA 3.0 | Wikimedia Commons |
| Japanese black pine Pinus thunbergii | Leaf | Forest and Kim Starr | CC BY 3.0 us | Wikimedia Commons |
| Japanese black pine Pinus thunbergii | Whole tree | かるちる | CC0 | Wikimedia Commons |
| Japanese cedar Cryptomeria japonica | Leaf | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Japanese cedar Cryptomeria japonica | Whole tree | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Japanese maple Acer palmatum | Leaf | Tomomarusan | CC BY-SA 3.0 | Wikimedia Commons |
| Japanese maple Acer palmatum | Whole tree | Joe Mabel | CC BY-SA 4.0 | Wikimedia Commons |
| Japanese pagoda tree Styphnolobium japonicum | Leaf | Frank | CC BY-SA 3.0 de | Wikimedia Commons |
| Japanese snowbell Styrax japonicus | Leaf | Krzysztof Golik | CC BY-SA 4.0 | Wikimedia Commons |
| Japanese snowbell Styrax japonicus | Whole tree | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Japanese stewartia Stewartia pseudocamellia | Leaf | Alpsdake | CC BY-SA 4.0 | Wikimedia Commons |
| Japanese stewartia Stewartia pseudocamellia | Whole tree | Photo by and (c)2007 Derek Ramsey (Ram-Man) | GFDL 1.2 | Wikimedia Commons |
| Japanese tree lilac Syringa reticulata | Leaf | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Japanese tree lilac Syringa reticulata | Whole tree | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Japanese umbrella-pine Sciadopitys verticillata | Leaf | Alpsdake | CC BY-SA 4.0 | Wikimedia Commons |
| Japanese umbrella-pine Sciadopitys verticillata | Whole tree | Crusier | CC BY 4.0 | Wikimedia Commons |
| Japanese zelkova Zelkova serrata | Leaf | Meneerke bloem | CC BY-SA 4.0 | Wikimedia Commons |
| Japanese zelkova Zelkova serrata | Whole tree | Calistemon | CC BY-SA 4.0 | Wikimedia Commons |
| Katsura tree Cercidiphyllum japonicum | Leaf | KATHERINE WAGNER-REISS | CC BY-SA 4.0 | Wikimedia Commons |
| Katsura tree Cercidiphyllum japonicum | Whole tree | Homoarborea | CC0 | Wikimedia Commons |
| Kentucky coffeetree Gymnocladus dioicus | Leaf | Tobias 67 | CC BY-SA 4.0 | Wikimedia Commons |
| Kentucky coffeetree Gymnocladus dioicus | Whole tree | Photo (c)2007 Derek Ramsey (Ram-Man) | CC BY-SA 2.5 | Wikimedia Commons |
| Kobus magnolia Magnolia kobus | Leaf | GioRan | CC BY-SA 4.0 | Wikimedia Commons |
| Kobus magnolia Magnolia kobus | Whole tree | 京浜にけ | CC BY-SA 3.0 | Wikimedia Commons |
| Kousa dogwood Cornus kousa | Leaf | dalgial | CC BY-SA 3.0 | Wikimedia Commons |
| Kousa dogwood Cornus kousa | Whole tree | Rob Farrow | CC BY-SA 2.0 | Wikimedia Commons |
| Kwanzan cherry Prunus serrulata | Leaf | Manuel Anastácio | CC BY 2.0 | Wikimedia Commons |
| Kwanzan cherry Prunus serrulata | Whole tree | Writeroscar | CC BY-SA 4.0 | Wikimedia Commons |
| Lacebark elm Ulmus parvifolia | Leaf | Thayne Tuason | CC BY-SA 4.0 | Wikimedia Commons |
| Lacebark elm Ulmus parvifolia | Whole tree | Calistemon | CC BY-SA 4.0 | Wikimedia Commons |
| Laurel oak Quercus laurifolia | Leaf | Bruce Kirchoff from Greensboro, NC, USA | CC BY 2.0 | Wikimedia Commons |
| Leyland cypress Cuprocyparis leylandii | Leaf | Forest & Kim Starr | CC BY 3.0 | Wikimedia Commons |
| Limber pine Pinus flexilis | Leaf | Famartin | CC BY-SA 3.0 | Wikimedia Commons |
| Littleleaf linden Tilia cordata | Leaf | Albert Bridge | CC BY-SA 2.0 | Wikimedia Commons |
| Littleleaf linden Tilia cordata | Whole tree | Asurnipal | CC BY-SA 4.0 | Wikimedia Commons |
| Loblolly pine Pinus taeda | Leaf | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Loblolly pine Pinus taeda | Whole tree | Jud McCranie | CC BY-SA 4.0 | Wikimedia Commons |
| Lodgepole pine Pinus contorta | Leaf | Crusier | CC BY-SA 3.0 | Wikimedia Commons |
| Lodgepole pine Pinus contorta | Whole tree | Aaron Liston | CC BY 4.0 | Wikimedia Commons |
| Lombardy poplar Populus nigra | Leaf | Rasbak | CC BY-SA 3.0 | Wikimedia Commons |
| Lombardy poplar Populus nigra | Whole tree | László Szalai (Beyond silence) | Public domain | Wikimedia Commons |
| London plane Platanus × acerifolia | Leaf | Abraham | CC BY-SA 4.0 | Wikimedia Commons |
| London plane Platanus × acerifolia | Whole tree | Rod Allday | CC BY-SA 2.0 | Wikimedia Commons |
| Longleaf pine Pinus palustris | Leaf | Photo by David J. Stang | CC BY-SA 4.0 | Wikimedia Commons |
| Longleaf pine Pinus palustris | Whole tree | W.R. Mattoon, USDA Forest Service, United States, Florida, Columbia Co., Lake City.… | Public domain | Wikimedia Commons |
| Mimosa Albizia julibrissin | Leaf | NORTLAUKAU 26088 JP | CC0 | Wikimedia Commons |
| Miyabe maple Acer miyabei | Leaf | Jean-Pol GRANDMONT | CC BY 3.0 | Wikimedia Commons |
| Miyabe maple Acer miyabei | Whole tree | Bruce Marlin | CC BY-SA 3.0 | Wikimedia Commons |
| Mockernut hickory Carya tomentosa | Leaf | John B., Dendroica cerulea | CC BY 2.0 | Wikimedia Commons |
| Mountain hemlock Tsuga mertensiana | Leaf | Vertaholic | CC BY-SA 4.0 | Wikimedia Commons |
| Mountain hemlock Tsuga mertensiana | Whole tree | Krzysztof Ziarnek, Kenraiz | CC BY-SA 4.0 | Wikimedia Commons |
| Mountain maple Acer spicatum | Leaf | Keith Kanoti, Maine Forest Service, Bugwood.org | CC BY 3.0 | Wikimedia Commons |
| Mountain maple Acer spicatum | Whole tree | Mason Brock (Masebrock) | Public domain | Wikimedia Commons |
| Noble fir Abies procera | Leaf | NorbertNagel (Norbert Nagel), Mörfelden-Walldorf, Hesse, Germany. | CC BY-SA 3.0 | Wikimedia Commons |
| Noble fir Abies procera | Whole tree | Aigerim2010 | CC0 | Wikimedia Commons |
| Nordmann fir Abies nordmanniana | Leaf | Saglikciormanci45 | CC BY-SA 4.0 | Wikimedia Commons |
| Nordmann fir Abies nordmanniana | Whole tree | Sten Porse | CC BY-SA 3.0 | Wikimedia Commons |
| Northern catalpa Catalpa speciosa | Leaf | Mark Wagner | CC BY 2.5 | Wikimedia Commons |
| Northern catalpa Catalpa speciosa | Whole tree | The Field Museum Library | No restrictions | Wikimedia Commons |
| Northern pin oak Quercus ellipsoidalis | Leaf | Jason Sturner | CC BY 2.0 | Wikimedia Commons |
| Northern red oak Quercus rubra | Leaf | David Hawgood | CC BY-SA 2.0 | Wikimedia Commons |
| Northern red oak Quercus rubra | Whole tree | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Northern white-cedar Thuja occidentalis | Leaf | Crusier | CC BY-SA 3.0 | Wikimedia Commons |
| Northern white-cedar Thuja occidentalis | Whole tree | James St. John | CC BY 2.0 | Wikimedia Commons |
| Norway maple Acer platanoides | Leaf | Sarah Smith | CC BY-SA 2.0 | Wikimedia Commons |
| Norway maple Acer platanoides | Whole tree | Homoarborea | CC0 | Wikimedia Commons |
| Norway spruce Picea abies | Leaf | KaiKemmann | CC BY-SA 4.0 | Wikimedia Commons |
| Norway spruce Picea abies | Whole tree | Simon Johnston | CC BY-SA 2.0 | Wikimedia Commons |
| Ohio buckeye Aesculus glabra | Leaf | H. Zell | CC BY-SA 3.0 | Wikimedia Commons |
| Ohio buckeye Aesculus glabra | Whole tree | Herman, D.E. et al. 1996. North Dakota tree handbook. USDA NRCS ND State Soil… | Public domain | Wikimedia Commons |
| Oregon white oak Quercus garryana | Leaf | John Rusk from Berkeley, CA, United States of America | CC BY 2.0 | Wikimedia Commons |
| Oregon white oak Quercus garryana | Whole tree | John Rusk from Berkeley, CA, United States of America | CC BY 2.0 | Wikimedia Commons |
| Oriental spruce Picea orientalis | Leaf | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Oriental spruce Picea orientalis | Whole tree | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Osage orange Maclura pomifera | Leaf | Gmihail at Serbian Wikipedia | CC BY-SA 3.0 rs | Wikimedia Commons |
| Osage orange Maclura pomifera | Whole tree | Teresa Grau Ros from Barcelona, Catalunya | CC BY-SA 4.0 | Wikimedia Commons |
| Overcup oak Quercus lyrata | Leaf | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Overcup oak Quercus lyrata | Whole tree | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Pacific dogwood Cornus nuttallii | Leaf | Wsiegmund | CC BY 2.5 | Wikimedia Commons |
| Pacific madrone Arbutus menziesii | Leaf | John Rusk from Berkeley, CA, United States of America | CC BY 2.0 | Wikimedia Commons |
| Pacific yew Taxus brevifolia | Leaf | Bob Harvey | CC BY-SA 2.0 | Wikimedia Commons |
| Pacific yew Taxus brevifolia | Whole tree | Bob Harvey | CC BY-SA 2.0 | Wikimedia Commons |
| Pagoda dogwood Cornus alternifolia | Leaf | Photo by and (c)2007 Derek Ramsey (Ram-Man) | CC BY-SA 2.5 | Wikimedia Commons |
| Paper birch Betula papyrifera | Leaf | Allyzilla | CC0 | Wikimedia Commons |
| Paper birch Betula papyrifera | Whole tree | Nicholas A. Tonelli from Northeast Pennsylvania, USA | CC BY 2.0 | Wikimedia Commons |
| Paperbark maple Acer griseum | Leaf | Photo by David J. Stang | CC BY-SA 4.0 | Wikimedia Commons |
| Paperbark maple Acer griseum | Whole tree | Evelyn Simak | CC BY-SA 2.0 | Wikimedia Commons |
| Pawpaw Asimina triloba | Leaf | Alex Abair | CC BY 4.0 | Wikimedia Commons |
| Pawpaw Asimina triloba | Whole tree | Crusier | CC BY 4.0 | Wikimedia Commons |
| Pecan Carya illinoinensis | Leaf | MPF | CC BY 3.0 | Wikimedia Commons |
| Pecan Carya illinoinensis | Whole tree | Yonatan Horan | CC BY 2.5 | Wikimedia Commons |
| Persian ironwood Parrotia persica | Leaf | Lynk media | CC BY-SA 3.0 | Wikimedia Commons |
| Persian ironwood Parrotia persica | Whole tree | A.Savin | CC BY-SA 3.0 | Wikimedia Commons |
| Pignut hickory Carya glabra | Leaf | Cedar Wood | CC BY 4.0 | Wikimedia Commons |
| Pin oak Quercus palustris | Leaf | Tournasol7 | CC BY-SA 3.0 | Wikimedia Commons |
| Pin oak Quercus palustris | Whole tree | Famartin | CC BY-SA 4.0 | Wikimedia Commons |
| Pond cypress Taxodium ascendens | Leaf | Alex Abair | CC BY 4.0 | Wikimedia Commons |
| Pond cypress Taxodium ascendens | Whole tree | James St. John | CC BY 2.0 | Wikimedia Commons |
| Ponderosa pine Pinus ponderosa | Leaf | Matt Lavin from Bozeman, Montana, USA | CC BY-SA 2.0 | Wikimedia Commons |
| Ponderosa pine Pinus ponderosa | Whole tree | R6, State & Private Forestry, Forest Health Protection | Public domain | Wikimedia Commons |
| Port Orford cedar Chamaecyparis lawsoniana | Leaf | Forest and Kim Starr | CC BY 3.0 us | Wikimedia Commons |
| Port Orford cedar Chamaecyparis lawsoniana | Whole tree | Eirian Evans | CC BY-SA 2.0 | Wikimedia Commons |
| Portugal laurel Prunus lusitanica | Leaf | Krzysztof Golik | CC BY-SA 4.0 | Wikimedia Commons |
| Portugal laurel Prunus lusitanica | Whole tree | Javier martin | Public domain | Wikimedia Commons |
| Post oak Quercus stellata | Leaf | Famartin | CC BY-SA 4.0 | Wikimedia Commons |
| Post oak Quercus stellata | Whole tree | Choess | CC BY-SA 3.0 | Wikimedia Commons |
| Purpleleaf plum Prunus cerasifera | Leaf | Jules Verne Times Two | CC BY-SA 4.0 | Wikimedia Commons |
| Purpleleaf plum Prunus cerasifera | Whole tree | Dylan Mills | CC BY-SA 2.0 | Wikimedia Commons |
| Quaking aspen Populus tremuloides | Leaf | Howard F. Schwartz, Colorado State University, USA | CC BY 3.0 us | Wikimedia Commons |
| Quaking aspen Populus tremuloides | Whole tree | Vanessa Kay | CC BY 3.0 | Wikimedia Commons |
| Red alder Alnus rubra | Leaf | Chris Light | CC BY-SA 4.0 | Wikimedia Commons |
| Red alder Alnus rubra | Whole tree | WindBorneListener | CC0 | Wikimedia Commons |
| Red buckeye Aesculus pavia | Leaf | Photo by and (c)2007 Derek Ramsey (Ram-Man) | GFDL 1.2 | Wikimedia Commons |
| Red maple Acer rubrum | Leaf | Mario Hains | CC BY-SA 3.0 | Wikimedia Commons |
| Red maple Acer rubrum | Whole tree | M.O. Stevens | CC BY-SA 4.0 | Wikimedia Commons |
| Red mulberry Morus rubra | Leaf | Famartin | CC BY-SA 4.0 | Wikimedia Commons |
| Red pine Pinus resinosa | Leaf | timmenzies on Flickr | CC BY-SA 2.0 | Wikimedia Commons |
| River birch Betula nigra | Leaf | Photo (c)2007 Derek Ramsey (Ram-Man) | CC BY-SA 2.5 | Wikimedia Commons |
| River birch Betula nigra | Whole tree | PumpkinSky | CC BY-SA 3.0 | Wikimedia Commons |
| Rocky Mountain juniper Juniperus scopulorum | Leaf | Famartin | CC BY-SA 3.0 | Wikimedia Commons |
| Rocky Mountain juniper Juniperus scopulorum | Whole tree | Paul Graham https://www.inaturalist.org/people/paulgraham | CC0 | Wikimedia Commons |
| Rocky Mountain maple Acer glabrum | Leaf | Robert Flogaus-Faust | CC BY 4.0 | Wikimedia Commons |
| Russian olive Elaeagnus angustifolia | Leaf | Mykola Swarnyk | CC BY-SA 3.0 | Wikimedia Commons |
| Russian olive Elaeagnus angustifolia | Whole tree | Javier martin | Public domain | Wikimedia Commons |
| Sargent cherry Prunus sargentii | Leaf | Alexander Rahm | CC BY-SA 4.0 | Wikimedia Commons |
| Sargent cherry Prunus sargentii | Whole tree | Jean-Pol GRANDMONT | CC BY 3.0 | Wikimedia Commons |
| Saskatoon serviceberry Amelanchier alnifolia | Leaf | Walter Siegmund (talk) | CC BY-SA 3.0 | Wikimedia Commons |
| Sassafras Sassafras albidum | Leaf | Photo by and (c)2007 Derek Ramsey (Ram-Man) | GFDL 1.2 | Wikimedia Commons |
| Sassafras Sassafras albidum | Whole tree | Homoarborea | CC0 | Wikimedia Commons |
| Saucer magnolia Magnolia × soulangeana | Leaf | Krzysztof Golik | CC BY-SA 4.0 | Wikimedia Commons |
| Saucer magnolia Magnolia × soulangeana | Whole tree | Homoarborea | CC0 | Wikimedia Commons |
| Sawara cypress Chamaecyparis pisifera | Leaf | Maulidya Fachra | CC BY-SA 4.0 | Wikimedia Commons |
| Sawara cypress Chamaecyparis pisifera | Whole tree | さかおり | CC BY 4.0 | Wikimedia Commons |
| Sawtooth oak Quercus acutissima | Leaf | Krzysztof Golik | CC BY-SA 4.0 | Wikimedia Commons |
| Sawtooth oak Quercus acutissima | Whole tree | Homoarborea | CC0 | Wikimedia Commons |
| Scarlet oak Quercus coccinea | Leaf | Bruce Kirchoff from Greensboro, NC, USA | CC BY 2.0 | Wikimedia Commons |
| Scarlet oak Quercus coccinea | Whole tree | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Scots pine Pinus sylvestris | Leaf | George Chernilevsky | CC BY 4.0 | Wikimedia Commons |
| Scots pine Pinus sylvestris | Whole tree | cultivar413 from Fallbrook, California | CC BY 2.0 | Wikimedia Commons |
| Serbian spruce Picea omorika | Leaf | The original uploader was Gmihail at Serbian Wikipedia. | CC BY-SA 3.0 rs | Wikimedia Commons |
| Serbian spruce Picea omorika | Whole tree | blahedo | CC BY-SA 2.5 | Wikimedia Commons |
| Shagbark hickory Carya ovata | Leaf | Kristel Schoonderwoerd | CC BY-SA 2.0 | Wikimedia Commons |
| Shagbark hickory Carya ovata | Whole tree | KATHERINE WAGNER-REISS | CC BY-SA 4.0 | Wikimedia Commons |
| Shantung maple Acer truncatum | Leaf | Awinch1001 | CC0 | Wikimedia Commons |
| Shingle oak Quercus imbricaria | Leaf | Richard Webb, Self-employed horticulurist, Bugwood.org | CC BY 3.0 | Wikimedia Commons |
| Shingle oak Quercus imbricaria | Whole tree | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Shortleaf pine Pinus echinata | Leaf | John B. from Highland Park, NJ, United States | CC BY 2.0 | Wikimedia Commons |
| Shumard oak Quercus shumardii | Leaf | Photo by David J. Stang | CC BY-SA 4.0 | Wikimedia Commons |
| Shumard oak Quercus shumardii | Whole tree | user:Salvor | Public domain | Wikimedia Commons |
| Siberian elm Ulmus pumila | Leaf | Tom elm | CC BY-SA 4.0 | Wikimedia Commons |
| Siberian elm Ulmus pumila | Whole tree | Globetrotter19 | CC BY-SA 4.0 | Wikimedia Commons |
| Silver linden Tilia tomentosa | Leaf | Siebrand | CC BY-SA 3.0 | Wikimedia Commons |
| Silver linden Tilia tomentosa | Whole tree | Gerd Eichmann | CC BY 4.0 | Wikimedia Commons |
| Silver maple Acer saccharinum | Leaf | M.violante | CC BY-SA 3.0 | Wikimedia Commons |
| Silver maple Acer saccharinum | Whole tree | AnRo0002 | CC0 | Wikimedia Commons |
| Sitka spruce Picea sitchensis | Leaf | Christine Westerback | CC BY-SA 2.0 | Wikimedia Commons |
| Sitka spruce Picea sitchensis | Whole tree | Dot Potter | CC BY-SA 2.0 | Wikimedia Commons |
| Slash pine Pinus elliottii | Leaf | TheSussman (Mike) from Georgia, USA | CC BY 2.0 | Wikimedia Commons |
| Slash pine Pinus elliottii | Whole tree | Forest and Kim Starr | CC BY 3.0 us | Wikimedia Commons |
| Slippery elm Ulmus rubra | Leaf | Phyzome | Attribution | Wikimedia Commons |
| Slippery elm Ulmus rubra | Whole tree | Cephas | CC BY-SA 3.0 | Wikimedia Commons |
| Sourwood Oxydendrum arboreum | Leaf | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Sourwood Oxydendrum arboreum | Whole tree | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Southern catalpa Catalpa bignonioides | Leaf | Abraham | CC BY-SA 4.0 | Wikimedia Commons |
| Southern catalpa Catalpa bignonioides | Whole tree | Jean-Pol GRANDMONT | CC BY 3.0 | Wikimedia Commons |
| Southern live oak Quercus virginiana | Leaf | Nadiatalent | CC BY-SA 4.0 | Wikimedia Commons |
| Southern magnolia Magnolia grandiflora | Leaf | Liné1 | CC BY-SA 3.0 | Wikimedia Commons |
| Southern magnolia Magnolia grandiflora | Whole tree | Christine Matthews | CC BY-SA 2.0 | Wikimedia Commons |
| Southern red oak Quercus falcata | Leaf | MPF | Public domain | Wikimedia Commons |
| Southern red oak Quercus falcata | Whole tree | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Staghorn sumac Rhus typhina | Leaf | Gmihail at Serbian Wikipedia | CC BY-SA 3.0 rs | Wikimedia Commons |
| Staghorn sumac Rhus typhina | Whole tree | Crusier | CC BY 3.0 | Wikimedia Commons |
| Star magnolia Magnolia stellata | Leaf | Photo by David J. Stang | CC BY-SA 4.0 | Wikimedia Commons |
| Striped maple Acer pensylvanicum | Leaf | Ayotte, Gilles, 1948- | CC BY-SA 4.0 | Wikimedia Commons |
| Striped maple Acer pensylvanicum | Whole tree | Bill Cook, Michigan State University, Bugwood.org | CC BY 3.0 | Wikimedia Commons |
| Subalpine fir Abies lasiocarpa | Leaf | Famartin | CC BY-SA 3.0 | Wikimedia Commons |
| Sugar maple Acer saccharum | Leaf | Wikimedia Commons contributor (released by copyright holder) | CC BY-SA 3.0 | Wikimedia Commons |
| Sugar maple Acer saccharum | Whole tree | Corey Coyle | CC BY 3.0 | Wikimedia Commons |
| Sugar pine Pinus lambertiana | Leaf | S. Rae from Scotland, UK | CC BY 2.0 | Wikimedia Commons |
| Sugar pine Pinus lambertiana | Whole tree | Aaron Liston | CC BY 4.0 | Wikimedia Commons |
| Sugarberry Celtis laevigata | Leaf | Brucewinter | CC BY-SA 4.0 | Wikimedia Commons |
| Sugarberry Celtis laevigata | Whole tree | John Rusk from Berkeley, CA, United States of America | CC BY 2.0 | Wikimedia Commons |
| Swamp chestnut oak Quercus michauxii | Leaf | Chhe (talk) | Public domain | Wikimedia Commons |
| Swamp white oak Quercus bicolor | Leaf | Liné1 | CC BY-SA 3.0 | Wikimedia Commons |
| Swamp white oak Quercus bicolor | Whole tree | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Sweet birch Betula lenta | Leaf | Ed_Uebel (talk) (Uploads) | CC BY-SA 3.0 | Wikimedia Commons |
| Sweet cherry Prunus avium | Leaf | Eiku | CC BY-SA 3.0 | Wikimedia Commons |
| Sweet cherry Prunus avium | Whole tree | Thayne Tuason | CC BY-SA 4.0 | Wikimedia Commons |
| Sweetbay magnolia Magnolia virginiana | Leaf | Photo (c)2006 Derek Ramsey (Ram-Man) | GFDL 1.2 | Wikimedia Commons |
| Sweetbay magnolia Magnolia virginiana | Whole tree | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Sweetgum Liquidambar styraciflua | Leaf | Carlos Valenzuela | CC BY-SA 4.0 | Wikimedia Commons |
| Sweetgum Liquidambar styraciflua | Whole tree | Dcrjsr | CC BY 3.0 | Wikimedia Commons |
| Sycamore maple Acer pseudoplatanus | Leaf | Aethonatic | CC0 | Wikimedia Commons |
| Sycamore maple Acer pseudoplatanus | Whole tree | AnRo0002 | CC0 | Wikimedia Commons |
| Tamarack Larix laricina | Leaf | Joshua Mayer | CC BY-SA 2.0 | Wikimedia Commons |
| Tasmanian blue gum Eucalyptus globulus | Leaf | Awinch1001 | CC BY 4.0 | Wikimedia Commons |
| Tasmanian blue gum Eucalyptus globulus | Whole tree | Kaushlendrapathe | CC BY 4.0 | Wikimedia Commons |
| Tatarian maple Acer tataricum | Leaf | Gmihail at Serbian Wikipedia | CC BY-SA 4.0 | Wikimedia Commons |
| Tatarian maple Acer tataricum | Whole tree | Gmihail at Serbian Wikipedia | CC BY-SA 4.0 | Wikimedia Commons |
| Tree of heaven Ailanthus altissima | Leaf | Hexafluoride | CC BY-SA 4.0 | Wikimedia Commons |
| Tree of heaven Ailanthus altissima | Whole tree | AnRo0002 | CC0 | Wikimedia Commons |
| Trident maple Acer buergerianum | Leaf | Gmihail at Serbian Wikipedia | CC BY-SA 3.0 rs | Wikimedia Commons |
| Tuliptree Liriodendron tulipifera | Leaf | Photo by and (c)2007 Derek Ramsey (Ram-Man) | GFDL 1.2 | Wikimedia Commons |
| Tuliptree Liriodendron tulipifera | Whole tree | Agnieszka Kwiecień, Nova | CC BY-SA 4.0 | Wikimedia Commons |
| Turkey oak Quercus cerris | Leaf | Димитър Найденов / Dimìtar Nàydenov | CC BY-SA 3.0 | Wikimedia Commons |
| Turkey oak Quercus cerris | Whole tree | Bob Harvey | CC BY-SA 2.0 | Wikimedia Commons |
| Umbrella magnolia Magnolia tripetala | Leaf | Fritzflohrreynolds | CC BY-SA 3.0 | Wikimedia Commons |
| Valley oak Quercus lobata | Leaf | KP Botany~commonswiki | Public domain | Wikimedia Commons |
| Vine maple Acer circinatum | Leaf | MPF | Public domain | Wikimedia Commons |
| Virginia pine Pinus virginiana | Leaf | TheSussman (Mike) from Georgia, USA | CC BY 2.0 | Wikimedia Commons |
| Virginia pine Pinus virginiana | Whole tree | SusquehannaMan | CC0 | Wikimedia Commons |
| Washington hawthorn Crataegus phaenopyrum | Leaf | F. D. Richards from Clinton, MI | CC BY-SA 2.0 | Wikimedia Commons |
| Water oak Quercus nigra | Leaf | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Water oak Quercus nigra | Whole tree | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Weeping willow Salix babylonica | Leaf | Willow Coville | CC BY-SA 4.0 | Wikimedia Commons |
| Weeping willow Salix babylonica | Whole tree | Andy Stephenson | CC BY-SA 2.0 | Wikimedia Commons |
| Western hemlock Tsuga heterophylla | Leaf | Peter Stevens from Seattle | CC BY 2.0 | Wikimedia Commons |
| Western hemlock Tsuga heterophylla | Whole tree | Crusier | CC BY-SA 3.0 | Wikimedia Commons |
| Western larch Larix occidentalis | Leaf | MPF | CC BY 2.5 | Wikimedia Commons |
| Western larch Larix occidentalis | Whole tree | Jami Dwyer on Flickr | CC BY-SA 2.0 | Wikimedia Commons |
| Western redcedar Thuja plicata | Leaf | Liné1 | CC BY-SA 3.0 | Wikimedia Commons |
| Western redcedar Thuja plicata | Whole tree | Crusier | CC BY 3.0 | Wikimedia Commons |
| Western white pine Pinus monticola | Leaf | Richard Sniezko, US Forest Service Dorena Genetic Resource Center | Public domain | Wikimedia Commons |
| White ash Fraxinus americana | Leaf | Virens (Latin for greening) from South Royalton, Vermont, USA | CC BY 2.0 | Wikimedia Commons |
| White ash Fraxinus americana | Whole tree | Richard Webb, Bugwood.org, USA | CC BY 3.0 us | Wikimedia Commons |
| White fir Abies concolor | Leaf | USDA-NRCS PLANTS Database / Herman, D.E. et al. 1996. North Dakota tree handbook | Public domain | Wikimedia Commons |
| White fir Abies concolor | Whole tree | Photo (c)2006 Derek Ramsey (Ram-Man) | CC BY-SA 2.5 | Wikimedia Commons |
| White fringetree Chionanthus virginicus | Leaf | Photo by and (c)2007 Derek Ramsey (Ram-Man) | GFDL 1.2 | Wikimedia Commons |
| White fringetree Chionanthus virginicus | Whole tree | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| White mulberry Morus alba | Leaf | Eric Polk | CC BY-SA 4.0 | Wikimedia Commons |
| White mulberry Morus alba | Whole tree | Petyou | CC BY-SA 4.0 | Wikimedia Commons |
| White oak Quercus alba | Leaf | en:user:Harborsparrow | Public domain | Wikimedia Commons |
| White oak Quercus alba | Whole tree | Chris Light | CC BY-SA 4.0 | Wikimedia Commons |
| White poplar Populus alba | Leaf | Vatadoshu | CC0 | Wikimedia Commons |
| White poplar Populus alba | Whole tree | Crusier | CC BY 3.0 | Wikimedia Commons |
| White spruce Picea glauca | Leaf | Hmbascom | CC BY 3.0 | Wikimedia Commons |
| White spruce Picea glauca | Whole tree | Ganrgui | CC0 | Wikimedia Commons |
| Willow oak Quercus phellos | Leaf | Ian Alexander | CC BY-SA 4.0 | Wikimedia Commons |
| Willow oak Quercus phellos | Whole tree | Cossey25 | CC BY-SA 4.0 | Wikimedia Commons |
| Winged elm Ulmus alata | Leaf | Ronnie Nijboer | CC0 | Wikimedia Commons |
| Yaupon holly Ilex vomitoria | Leaf | NPS | Public domain | Wikimedia Commons |
| Yellow birch Betula alleghaniensis | Leaf | U.S. Fish and Wildlife Service | Public domain | Wikimedia Commons |
| Yellow birch Betula alleghaniensis | Whole tree | Anneli Salo | CC BY-SA 3.0 | Wikimedia Commons |
| Yoshino cherry Prunus × yedoensis | Leaf | Famartin | CC BY-SA 4.0 | Wikimedia Commons |
| Yoshino cherry Prunus × yedoensis | Whole tree | Shuvaev | CC BY-SA 4.0 | Wikimedia Commons |
If you took one of these photos and would like it credited differently or removed, please get in touch.
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