Northeast USNew YorkWashington D.C.Canada
Leaf Common Name Scientific Name
Allegheny Serviceberry Amelanchier laevis
American Beech Fagus grandifolia
American Bladdernut Staphylea trifolia
American Chestnut Castanea dentata
American Elm Ulmus americana
American Holly Ilex opaca
American Hornbeam Carpinus caroliniana
American Linden Tilia americana
American Sycamore Platanus occidentalis
Amur Corktree Phellodendron amurense
Amur Maple Acer ginnala
Asian White Birch Betula platyphylla
Atlas Cedar Cedrus atlantica
Austrian Pine Pinus nigra
Bald Cypress Taxodium distichum
Bigleaf Magnolia Magnolia macrophylla
Bigtooth Aspen Populus grandidentata
Bitternut Hickory Carya cordiformis
Black Ash Fraxinus nigra
Black Cherry Prunus serotina
Black Locust Robinia pseudoacacia
Black Maple Acer nigrum
Black Oak Quercus velutina
Black Spruce Picea mariana
Black Tupelo Nyssa sylvatica
Black Walnut Juglans nigra
Black Willow Salix nigra
Black Jack Oak Quercus marilandica
Blackthorn Prunus spinosa
Blue Spruce Picea pungens
Box Elder Acer negundo
Broadleaf Hawthorn Crataegus dilatata
Bur Oak Quercus macrocarpa
Butternut Juglans cinerea
Callery Pear Pyrus calleryana
Canadian Hemlock Tsuga canadensis
Canadian Serviceberry Amelanchier canadensis
Carolina Silverbell Halesia tetraptera
Catawba Catalpa bignonioides
Caucasian Spruce Picea orientalis
Cherry Plum Prunus cerasifera
Chestnut Oak Quercus montana
Chinese Elm Ulmus parvifolia
Chinese Fringetree Chionanthus retusus
Chinese Toon Toona sinensis
Chinkapin Oak Quercus muehlenbergii
Chokecherry Prunus virginiana
Coastal Plain Willow Salix caroliniana
Cockspur Hawthorn Crataegus crus-galli
Common Box Buxus sempervirens
Common Hoptree Ptelea trifoliata
Common Horsechestnut Aesculus hippocastanum
Common Juniper Juniperus communis
Common Pawpaw Asimina triloba
Common Persimmon Diospyros virginiana
Corkscrew Willow Salix matsudana
Cornelian Cherry Cornus mas
Cucumbertree Magnolia Magnolia acuminata
Dotted Hawthorn Crataegus punctata
Douglas-Fir Pseudotsuga menziesii
Downy Birch Betula pubescens
Downy Serviceberry Amelanchier arborea
Dutch Elm Ulmus hollandica
Dwarf Hackberry Celtis tenuifolia
Eastern Cottonwood Populus deltoides
Eastern Redbud Cercis canadensis
Eastern Redcedar Juniperus virginiana
Eastern White Pine Pinus strobus
Edible Fig Ficus carica
Empress Tree Paulownia tomentosa
English Elm Ulmus procera
English Oak Quercus robur
English Walnut Juglans regia
European Alder Alnus glutinosa
European Ash Fraxinus excelsior
European Beech Fagus sylvatica
European Hornbeam Carpinus betulus
European Larch Larix decidua
European Linden Tilia europaea
European Spindletree Euonymus europaeus
European Mountain Ash Sorbus aucuparia
European White Birch Betula pendula
Fleshy Hawthorn Crataegus succulenta
Flowering Dogwood Cornus florida
Fragrant Snowbell Styrax obassia
Fraser Fir Abies fraseri
Fringe-Tree Chionanthus virginicus
Ginkgo Ginkgo biloba
Golden Larch Pseudolarix amabilis
Gray Alder Alnus incana
Gray Birch Betula populifolia
Green Ash Fraxinus pennsylvanica
Green Hawthorn Crataegus viridis
Hackberry Celtis occidentalis
Hardy Rubbertree Eucommia ulmoides
Harlequin Glorybower Clerodendrum trichotomum
Hedge Maple Acer campestre
Higan Cherry Prunus subhirtella
Himalayan Cedar Cedrus deodara
Himalayan Pine Pinus wallichiana
Honeylocust Gleditsia triacanthos
Hophornbeam Ostrya virginiana
Japanese Cedar Cryptomeria japonica
Japanese Maple Acer palmatum
Japanese Snowbell Styrax japonicus
Japanese Stewartia Stewartia pseudocamellia
Japanese Zelkova Zelkova serrata
Japanese Black Pine Pinus thunbergii
Japanese Flowering Crabapple Malus floribunda
Japanese Red Pine Pinus densiflora
Japanese Tree Lilac Syringa reticulata
Japanese White Pine Pinus parviflora
Jersey Pine Pinus virginiana
Katsura Tree Cercidiphyllum japonicum
Kentucky Coffeetree Gymnocladus dioicus
Kobus Magnolia Magnolia kobus
Korean Evodia Euodia daniellii
Korean Pine Pinus koraiensis
Kousa Dogwood Cornus kousa
Lacebark Pine Pinus bungeana
Lebanon Cedar Cedrus libani
Lilac Syringa vulgaris
Limber Pine Pinus flexilis
Littleleaf Linden Tilia cordata
Live Oak Quercus virginiana
Loblolly Pine Pinus taeda
London Plane Tree Platanus acerifolia
Macedonian Pine Pinus peucea
Metasequoia Metasequoia glyptostroboides
Mimosa Albizia julibrissin
Mockernut Hickory Carya tomentosa
Nordmann Fir Abies nordmanniana
Northern Catalpa Catalpa speciosa
Norway Maple Acer platanoides
Norway Spruce Picea abies
Ohio Buckeye Aesculus glabra
Oneseed Hawthorn Crataegus monogyna
Oriental Cherry Prunus serrulata
Oriental Photinia Photinia villosa
Osage Orange Maclura pomifera
Panicled Goldenrain Tree Koelreuteria paniculata
Paper Birch Betula papyrifera
Paper Mulberry Broussonetia papyrifera
Paperbark Maple Acer griseum
Paradise Apple Malus pumila
Pignut Hickory Carya glabra
Pin Cherry Prunus pensylvanica
Pin Oak Quercus palustris
Pitch Pine Pinus rigida
Post Oak Quercus stellata
Quaking Aspen Populus tremuloides
Red Buckeye Aesculus pavia
Red Maple Acer rubrum
Red Mulberry Morus rubra
Red Oak Quercus rubra
Red Pine Pinus resinosa
Red Spruce Picea rubens
River Birch Betula nigra
Roughleaf Dogwood Cornus drummondii
Sargent Cherry Prunus sargentii
Sassafrass Sassafras albidum
Saucer Magnolia Magnolia soulangiana
Sawara Cypress Chamaecyparis pisifera
Sawtooth Oak Quercus acutissima
Scarlet Oak Quercus coccinea
Scotch Elm Ulmus glabra
Scotch Pine Pinus sylvestris
Shagbark Hickory Carya ovata
Shingle Oak Quercus imbricaria
Shumard Red Oak Quercus shumardii
Siberian Crabapple Malus baccata
Siberian Elm Ulmus pumila
Silver Linden Tilia tomentosa
Silver Maple Acer saccharinum
Slippery Elm Ulmus rubra
Smooth Hawthorn Crataegus laevigata
Sourwood Oxydendrum arboreum
Southern Crabapple Malus angustifolia
Southern Magnolia Magnolia grandiflora
Spanish Oak Quercus falcata
Staghorn Sumac Rhus typhina
Star Magnolia Magnolia stellata
Striped Maple Acer pensylvanicum
Sugar Maple Acer saccharum
Swamp Chestnut Oak Quercus michauxii
Swamp White Oak Quercus bicolor
Sweet Birch Betula lenta
Sweet Crabapple Malus coronaria
Sweetbay Magnolia Magnolia virginiana
Sweetgum Liquidambar styraciflua
Swiss Pine Pinus cembra
Sycamore Maple Acer pseudoplatanus
Table-Mountain Pine Pinus pungens
Tea Crabapple Malus hupehensis
Tree Of Heaven Ailanthus altissima
Tuliptree Liriodendron tulipifera
Turkey Oak Quercus cerris
Turkish Filbert Corylus colurna
Umbrella Tree Magnolia tripetala
Virginia Roundleaf Birch Betula uber
Washington Hawthorn Crataegus phaenopyrum
Water Oak Quercus nigra
Waxyfruit Hawthorn Crataegus pruinosa
Wayfaringtree Viburnum lantana
Weeping Willow Salix babylonica
White Ash Fraxinus americana
White Fir Abies concolor
White Mulberry Morus alba
White Oak Quercus alba
White Spruce Picea glauca
White Willow Salix alba
White Cedar Tree Chamaecyparis thyoides
Whitebarked Himalayan Birch Betula jacquemontii
Willow Oak Quercus phellos
Yellow Birch Betula alleghaniensis
Yellow Buckeye Aesculus flava
Yellow Pine Pinus echinata
Yellowwood Cladrastis lutea
Yoshino Cherry Prunus yedoensis
Yulan Magnolia Magnolia denudata
Leaf Common Name Scientific Name
American Beech Fagus grandifolia
American Chestnut Castanea dentata
American Elm Ulmus americana
American Holly Ilex opaca
American Linden Tilia americana
American Sycamore Platanus occidentalis
Amur Corktree Phellodendron amurense
Amur Maple Acer ginnala
Atlas Cedar Cedrus atlantica
Austrian Pine Pinus nigra
Bald Cypress Taxodium distichum
Bitternut Hickory Carya cordiformis
Black Ash Fraxinus nigra
Black Cherry Prunus serotina
Black Locust Robinia pseudoacacia
Black Oak Quercus velutina
Black Tupelo Nyssa sylvatica
Black Walnut Juglans nigra
Black Willow Salix nigra
Blue Spruce Picea pungens
Bur Oak Quercus macrocarpa
Callery Pear Pyrus calleryana
Canadian Hemlock Tsuga canadensis
Canadian Serviceberry Amelanchier canadensis
Carolina Silverbell Halesia tetraptera
Caucasian Spruce Picea orientalis
Chinese Elm Ulmus parvifolia
Chinese Fringetree Chionanthus retusus
Chinese Toon Toona sinensis
Cockspur Hawthorn Crataegus crus-galli
Common Hoptree Ptelea trifoliata
Common Horsechestnut Aesculus hippocastanum
Common Pawpaw Asimina triloba
Common Persimmon Diospyros virginiana
Cornelian Cherry Cornus mas
Cucumbertree Magnolia Magnolia acuminata
Dutch Elm Ulmus hollandica
Eastern Cottonwood Populus deltoides
Eastern Redbud Cercis canadensis
Eastern Redcedar Juniperus virginiana
Eastern White Pine Pinus strobus
Empress Tree Paulownia tomentosa
English Elm Ulmus procera
English Oak Quercus robur
European Beech Fagus sylvatica
European Hornbeam Carpinus betulus
European Larch Larix decidua
European Linden Tilia europaea
Flowering Dogwood Cornus florida
Fragrant Snowbell Styrax obassia
Ginkgo Ginkgo biloba
Golden Larch Pseudolarix amabilis
Gray Birch Betula populifolia
Green Ash Fraxinus pennsylvanica
Hackberry Celtis occidentalis
Hardy Rubbertree Eucommia ulmoides
Hedge Maple Acer campestre
Higan Cherry Prunus subhirtella
Himalayan Cedar Cedrus deodara
Himalayan Pine Pinus wallichiana
Honeylocust Gleditsia triacanthos
Hophornbeam Ostrya virginiana
Japanese Cedar Cryptomeria japonica
Japanese Maple Acer palmatum
Japanese Snowbell Styrax japonicus
Japanese Stewartia Stewartia pseudocamellia
Japanese Zelkova Zelkova serrata
Japanese Black Pine Pinus thunbergii
Japanese Flowering Crabapple Malus floribunda
Japanese Red Pine Pinus densiflora
Japanese Tree Lilac Syringa reticulata
Japanese White Pine Pinus parviflora
Katsura Tree Cercidiphyllum japonicum
Kentucky Coffeetree Gymnocladus dioicus
Korean Evodia Euodia daniellii
Korean Pine Pinus koraiensis
Kousa Dogwood Cornus kousa
Lacebark Pine Pinus bungeana
Lebanon Cedar Cedrus libani
Limber Pine Pinus flexilis
Littleleaf Linden Tilia cordata
London Plane Tree Platanus acerifolia
Macedonian Pine Pinus peucea
Metasequoia Metasequoia glyptostroboides
Mockernut Hickory Carya tomentosa
Nordmann Fir Abies nordmanniana
Northern Catalpa Catalpa speciosa
Norway Maple Acer platanoides
Norway Spruce Picea abies
Ohio Buckeye Aesculus glabra
Oriental Cherry Prunus serrulata
Osage Orange Maclura pomifera
Panicled Goldenrain Tree Koelreuteria paniculata
Paper Mulberry Broussonetia papyrifera
Paperbark Maple Acer griseum
Pin Oak Quercus palustris
Pitch Pine Pinus rigida
Red Buckeye Aesculus pavia
Red Maple Acer rubrum
Red Mulberry Morus rubra
Red Oak Quercus rubra
River Birch Betula nigra
Sargent Cherry Prunus sargentii
Sassafrass Sassafras albidum
Saucer Magnolia Magnolia soulangiana
Sawara Cypress Chamaecyparis pisifera
Sawtooth Oak Quercus acutissima
Scarlet Oak Quercus coccinea
Scotch Elm Ulmus glabra
Shagbark Hickory Carya ovata
Shingle Oak Quercus imbricaria
Shumard Red Oak Quercus shumardii
Siberian Crabapple Malus baccata
Siberian Elm Ulmus pumila
Silver Linden Tilia tomentosa
Silver Maple Acer saccharinum
Smooth Hawthorn Crataegus laevigata
Sourwood Oxydendrum arboreum
Southern Magnolia Magnolia grandiflora
Star Magnolia Magnolia stellata
Sugar Maple Acer saccharum
Swamp White Oak Quercus bicolor
Sweet Birch Betula lenta
Sweetbay Magnolia Magnolia virginiana
Sweetgum Liquidambar styraciflua
Swiss Pine Pinus cembra
Sycamore Maple Acer pseudoplatanus
Tea Crabapple Malus hupehensis
Tree Of Heaven Ailanthus altissima
Tuliptree Liriodendron tulipifera
Turkey Oak Quercus cerris
Turkish Filbert Corylus colurna
Washington Hawthorn Crataegus phaenopyrum
Weeping Willow Salix babylonica
White Ash Fraxinus americana
White Fir Abies concolor
White Mulberry Morus alba
White Oak Quercus alba
Whitebarked Himalayan Birch Betula jacquemontii
Willow Oak Quercus phellos
Yellow Buckeye Aesculus flava
Yellowwood Cladrastis lutea
Yoshino Cherry Prunus yedoensis
Yulan Magnolia Magnolia denudata
Leaf Common Name Scientific Name
Allegheny Serviceberry Amelanchier laevis
American Beech Fagus grandifolia
American Bladdernut Staphylea trifolia
American Chestnut Castanea dentata
Ulmus americana
Carpinus caroliniana
American Linden Tilia americana
American Sycamore Platanus occidentalis
Amur Corktree Phellodendron amurense
Amur Maple Acer ginnala
Atlas Cedar Cedrus atlantica
Austrian Pine Pinus nigra
Bald Cypress Taxodium distichum
Bigleaf Magnolia Magnolia macrophylla
Bigtooth Aspen Populus grandidentata
Bitternut Hickory Carya cordiformis
Black Cherry Prunus serotina
Black Locust Robinia pseudoacacia
Black Oak Quercus velutina
Black Walnut Juglans nigra
Black Willow Salix nigra
Black Jack Oak Quercus marilandica
Box Elder Acer negundo
Bur Oak Quercus macrocarpa
Butternut Juglans cinerea
Callery Pear Pyrus calleryana
Canadian Hemlock Tsuga canadensis
Catawba Catalpa bignonioides
Chestnut Oak Quercus montana
Chinese Elm Ulmus parvifolia
Chinese Fringetree Chionanthus retusus
Chinkapin Oak Quercus muehlenbergii
Chokecherry Prunus virginiana
Coastal Plain Willow Salix caroliniana
Cockspur Hawthorn Crataegus crus-galli
Common Hoptree Ptelea trifoliata
Common Horsechestnut Aesculus hippocastanum
Common Pawpaw Asimina triloba
Common Persimmon Diospyros virginiana
Corkscrew Willow Salix matsudana
Cornelian Cherry Cornus mas
Cucumbertree Magnolia Magnolia acuminata
Downy Serviceberry Amelanchier arborea
Dwarf Hackberry Celtis tenuifolia
Eastern Cottonwood Populus deltoides
Eastern Redbud Cercis canadensis
Eastern Redcedar Juniperus virginiana
Eastern White Pine Pinus strobus
Edible Fig Ficus carica
Empress Tree Paulownia tomentosa
European Alder Alnus glutinosa
European Beech Fagus sylvatica
European Larch Larix decidua
Flowering Dogwood Cornus florida
Fragrant Snowbell Styrax obassia
Fraser Fir Abies fraseri
Fringe-Tree Chionanthus virginicus
Ginkgo Ginkgo biloba
Gray Birch Betula populifolia
Green Ash Fraxinus pennsylvanica
Green Hawthorn Crataegus viridis
Hackberry Celtis occidentalis
Higan Cherry Prunus subhirtella
Himalayan Cedar Cedrus deodara
Himalayan Pine Pinus wallichiana
Hophornbeam Ostrya virginiana
Japanese Cedar Cryptomeria japonica
Japanese Maple Acer palmatum
Japanese Snowbell Styrax japonicus
Japanese Stewartia Stewartia pseudocamellia
Japanese Zelkova Zelkova serrata
Japanese Black Pine Pinus thunbergii
Japanese White Pine Pinus parviflora
Jersey Pine Pinus virginiana
Katsura Tree Cercidiphyllum japonicum
Kentucky Coffeetree Gymnocladus dioicus
Korean Pine Pinus koraiensis
Kousa Dogwood Cornus kousa
Lebanon Cedar Cedrus libani
Live Oak Quercus virginiana
Loblolly Pine Pinus taeda
London Plane Tree Platanus acerifolia
Mimosa Albizia julibrissin
Mockernut Hickory Carya tomentosa
Nordmann Fir Abies nordmanniana
Northern Catalpa Catalpa speciosa
Norway Maple Acer platanoides
Norway Spruce Picea abies
Ohio Buckeye Aesculus glabra
Oriental Cherry Prunus serrulata
Osage Orange Maclura pomifera
Panicled Goldenrain Tree Koelreuteria paniculata
Paper Birch Betula papyrifera
Paper Mulberry Broussonetia papyrifera
Paperbark Maple Acer griseum
Paradise Apple Malus pumila
Pignut Hickory Carya glabra
Pin Cherry Prunus pensylvanica
Pin Oak Quercus palustris
Post Oak Quercus stellata
Quaking Aspen Populus tremuloides
Red Buckeye Aesculus pavia
Red Maple Acer rubrum
Red Mulberry Morus rubra
Red Oak Quercus rubra
Red Pine Pinus resinosa
River Birch Betula nigra
Sargent Cherry Prunus sargentii
Sassafrass Sassafras albidum
Sawara Cypress Chamaecyparis pisifera
Sawtooth Oak Quercus acutissima
Scarlet Oak Quercus coccinea
Scotch Pine Pinus sylvestris
Shagbark Hickory Carya ovata
Shingle Oak Quercus imbricaria
Shumard Red Oak Quercus shumardii
Siberian Crabapple Malus baccata
Silver Maple Acer saccharinum
Slippery Elm Ulmus rubra
Smooth Hawthorn Crataegus laevigata
Sourwood Oxydendrum arboreum
Southern Crabapple Malus angustifolia
Southern Magnolia Magnolia grandiflora
Spanish Oak Quercus falcata
Striped Maple Acer pensylvanicum
Sugar Maple Acer saccharum
Swamp Chestnut Oak Quercus michauxii
Swamp White Oak Quercus bicolor
Sweet Birch Betula lenta
Sweet Crabapple Malus coronaria
Sweetbay Magnolia Magnolia virginiana
Sweetgum Liquidambar styraciflua
Swiss Pine Pinus cembra
Sycamore Maple Acer pseudoplatanus
Table-Mountain Pine Pinus pungens
Tuliptree Liriodendron tulipifera
Turkish Filbert Corylus colurna
Umbrella Tree Magnolia tripetala
Water Oak Quercus nigra
Waxyfruit Hawthorn Crataegus pruinosa
Weeping Willow Salix babylonica
White Ash Fraxinus americana
White Mulberry Morus alba
White Oak Quercus alba
White Cedar Tree Chamaecyparis thyoides
Whitebarked Himalayan Birch Betula jacquemontii
Willow Oak Quercus phellos
Yellow Birch Betula alleghaniensis
Yellow Buckeye Aesculus flava
Yellow Pine Pinus echinata
Yellowwood Cladrastis lutea
Yoshino Cherry Prunus yedoensis
Leaf Common Name Scientific Name
Allegheny Serviceberry Amelanchier laevis
American Beech Fagus grandifolia
American Bladdernut Staphylea trifolia
American Chestnut Castanea dentata
American Elm Ulmus americana
American Hornbeam Carpinus caroliniana
American Linden Tilia americana
American Sycamore Platanus occidentalis
Amur Corktree Phellodendron amurense
Amur Maple Acer ginnala
Austrian Pine Pinus nigra
Bigtooth Aspen Populus grandidentata
Bitternut Hickory Carya cordiformis
Black Ash Fraxinus nigra
Black Cherry Prunus serotina
Black Locust Robinia pseudoacacia
Black Maple Acer nigrum
Black Oak Quercus velutina
Black Spruce Picea mariana
Black Tupelo Nyssa sylvatica
Black Walnut Juglans nigra
Black Willow Salix nigra
Blackthorn Prunus spinosa
Blue Spruce Picea pungens
Box Elder Acer negundo
Broadleaf Hawthorn Crataegus dilatata
Bur Oak Quercus macrocarpa
Butternut Juglans cinerea
Canadian Hemlock Tsuga canadensis
Canadian Serviceberry Amelanchier canadensis
Catawba Catalpa bignonioides
Cherry Plum Prunus cerasifera
Chinese Elm Ulmus parvifolia
Chinkapin Oak Quercus muehlenbergii
Chokecherry Prunus virginiana
Cockspur Hawthorn Crataegus crus-galli
Common Hoptree Ptelea trifoliata
Common Horsechestnut Aesculus hippocastanum
Common Juniper Juniperus communis
Common Pawpaw Asimina triloba
Cucumbertree Magnolia Magnolia acuminata
Dotted Hawthorn Crataegus punctata
Douglas-Fir Pseudotsuga menziesii
Downy Birch Betula pubescens
Downy Serviceberry Amelanchier arborea
Dwarf Hackberry Celtis tenuifolia
Eastern Cottonwood Populus deltoides
Eastern Redbud Cercis canadensis
Eastern Redcedar Juniperus virginiana
Eastern White Pine Pinus strobus
English Elm Ulmus procera
English Oak Quercus robur
English Walnut Juglans regia
European Alder Alnus glutinosa
European Ash Fraxinus excelsior
European Beech Fagus sylvatica
European Larch Larix decidua
European Linden Tilia europaea
European Spindletree Euonymus europaeus
European Mountain Ash Sorbus aucuparia
European White Birch Betula pendula
Fleshy Hawthorn Crataegus succulenta
Flowering Dogwood Cornus florida
Gray Alder Alnus incana
Gray Birch Betula populifolia
Green Ash Fraxinus pennsylvanica
Hackberry Celtis occidentalis
Hedge Maple Acer campestre
Honeylocust Gleditsia triacanthos
Hophornbeam Ostrya virginiana
Japanese Maple Acer palmatum
Japanese Tree Lilac Syringa reticulata
Jersey Pine Pinus virginiana
Kentucky Coffeetree Gymnocladus dioicus
Lilac Syringa vulgaris
Limber Pine Pinus flexilis
Littleleaf Linden Tilia cordata
London Plane Tree Platanus acerifolia
Mockernut Hickory Carya tomentosa
Northern Catalpa Catalpa speciosa
Norway Maple Acer platanoides
Norway Spruce Picea abies
Ohio Buckeye Aesculus glabra
Oneseed Hawthorn Crataegus monogyna
Oriental Cherry Prunus serrulata
Osage Orange Maclura pomifera
Paper Birch Betula papyrifera
Paradise Apple Malus pumila
Pignut Hickory Carya glabra
Pin Cherry Prunus pensylvanica
Pin Oak Quercus palustris
Pitch Pine Pinus rigida
Quaking Aspen Populus tremuloides
Red Buckeye Aesculus pavia
Red Maple Acer rubrum
Red Mulberry Morus rubra
Red Oak Quercus rubra
Red Pine Pinus resinosa
Red Spruce Picea rubens
Roughleaf Dogwood Cornus drummondii
Sassafrass Sassafras albidum
Scotch Elm Ulmus glabra
Scotch Pine Pinus sylvestris
Shagbark Hickory Carya ovata
Shumard Red Oak Quercus shumardii
Siberian Crabapple Malus baccata
Siberian Elm Ulmus pumila
Silver Maple Acer saccharinum
Slippery Elm Ulmus rubra
Smooth Hawthorn Crataegus laevigata
Staghorn Sumac Rhus typhina
Striped Maple Acer pensylvanicum
Sugar Maple Acer saccharum
Swamp White Oak Quercus bicolor
Sweet Birch Betula lenta
Sweet Crabapple Malus coronaria
Sycamore Maple Acer pseudoplatanus
Tree Of Heaven Ailanthus altissima
Tuliptree Liriodendron tulipifera
Washington Hawthorn Crataegus phaenopyrum
Waxyfruit Hawthorn Crataegus pruinosa
Wayfaringtree Viburnum lantana
Weeping Willow Salix babylonica
White Ash Fraxinus americana
White Mulberry Morus alba
White Oak Quercus alba
White Spruce Picea glauca
White Willow Salix alba
Yellow Birch Betula alleghaniensis
Yellowwood Cladrastis lutea
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This project was supported in part by NSF Grant IIS-03-25867 (ITR: An Electronic Field Guide: Plant Exploration and Discovery in the 21st Century) and by the Washington Biologists' Field Club.
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