| 0008369 |
Amur maple |
Acer ginnala |
|
| 0008218 |
European larch |
Larix decidua |
|
| 0008476 |
buckeye |
Aesculus spp. |
Leaf scars and buds |
| 0008483 |
aspen/poplar |
Populus spp. |
Leaf scars and buds |
| 0008490 |
slippery elm |
Ulmus rubra |
Leaf scars and buds |
| 0008500 |
bitternut hickory |
Carya cordiformis |
Leaf scars and buds |
| 0008506 |
shellbark hickory |
Carya laciniosa |
Leaf scars and buds |
| 0008481 |
black cherry |
Prunus serotina |
Leaf scars and buds |
| 0008159 |
northern catalpa |
Catalpa speciosa |
|
| 0008194 |
American elm |
Ulmus americana |
|
| 0008527 |
bur oak |
Quercus macrocarpa |
Buds and leaf scars |
| 0008553 |
butternut |
Juglans cinerea |
Buds |
| 0008419 |
white poplar |
Populus alba |
|
| 0008423 |
prickly-ash |
Zanthoxylum americanum |
|
| 0008421 |
white poplar |
Populus alba |
|
| 0008422 |
prickly-ash |
Zanthoxylum americanum |
|
| 0008356 |
shellbark hickory |
Carya laciniosa |
|
| 0008191 |
alternateleaf dogwood |
Cornus alternifolia |
|
| 0008117 |
northern red oak |
Quercus rubra |
|
| 0008114 |
northern red oak |
Quercus rubra |
|
| 0008204 |
hawthorn |
Crataegus spp. |
|
| 0008269 |
serviceberry |
Amelanchier arborea |
|
| 0008475 |
boxelder |
Acer negundo |
Leaf scars and buds |
| 0008474 |
river birch |
Betula nigra |
With buds and preformed staminate aments |
| 0008472 |
paper birch |
Betula papyrifera |
With preformed staminate aments |
| 0008363 |
European larch |
Larix decidua |
|
| 0008424 |
prickly-ash |
Zanthoxylum americanum |
|
| 0008411 |
ponderosa pine |
Pinus ponderosa |
|
| 0008362 |
Kentucky coffeetree |
Gymnocladus dioicus |
|
| 0008082 |
hawthorn |
Crataegus spp. |
|
| 0008083 |
hawthorn |
Crataegus spp. |
|
| 0008100 |
Amur maple |
Acer ginnala |
|
| 0008137 |
eastern redbud |
Cercis canadensis |
variety "alba" |
| 0008095 |
European larch |
Larix decidua |
staminate (male) flowers |
| 0008473 |
paper birch |
Betula papyrifera |
Preformed staminate aments |
| 0008168 |
green ash |
Fraxinus pennsylvanica |
|
| 0008537 |
Russian-olive |
Elaeagnus angustifolia |
|
| 0008432 |
Norway spruce |
Picea abies |
|
| 0008420 |
white poplar |
Populus alba |
|
| 0008406 |
osage-orange |
Maclura pomifera |
|
| 0008341 |
common hackberry |
Celtis occidentalis |
|
| 0008348 |
pecan |
Carya illinoinensis |
|
| 0008317 |
eastern cottonwood |
Populus deltoides ssp. deltoides |
|
| 0008288 |
black ash |
Fraxinus nigra |
|
| 0008290 |
white ash |
Fraxinus americana |
|
| 0008289 |
green ash |
Fraxinus pennsylvanica |
|
| 0008276 |
yellow-poplar |
Liriodendron tulipifera |
|
| 0008279 |
black walnut |
Juglans nigra |
|
| 0008267 |
eastern redbud |
Cercis canadensis |
|
| 0008219 |
black locust |
Robinia pseudoacacia |
|
| 0008220 |
black locust |
Robinia pseudoacacia |
|
| 0008213 |
shagbark hickory |
Carya ovata |
|
| 0008201 |
common hackberry |
Celtis occidentalis |
|
| 0008193 |
redosier dogwood |
Cornus sericea |
|
| 0008190 |
southern crabapple |
Malus angustifolia |
|
| 0008172 |
American basswood |
Tilia americana |
|
| 0008119 |
osage-orange |
Maclura pomifera |
|
| 0008120 |
osage-orange |
Maclura pomifera |
|
| 0008121 |
osage-orange |
Maclura pomifera |
|
| 0008122 |
osage-orange |
Maclura pomifera |
|
| 0008075 |
redosier dogwood |
Cornus sericea |
|
| 0008065 |
northern catalpa |
Catalpa speciosa |
|
| 0008006 |
redosier dogwood |
Cornus sericea |
|
| 0008021 |
baldcypress |
Taxodium distichum |
|
| 0008023 |
American hornbeam |
Carpinus caroliniana |
|
| 0008098 |
black locust |
Robinia pseudoacacia |
|
| 0008161 |
white fir |
Abies concolor |
|
| 0008179 |
boxelder |
Acer negundo |
|
| 0008178 |
boxelder |
Acer negundo |
|
| 0008192 |
alternateleaf dogwood |
Cornus alternifolia |
|
| 0008013 |
bigtooth aspen |
Populus grandidentata |
|
| 0008091 |
hophornbeam |
Ostrya virginiana |
|
| 0008162 |
hawthorn |
Crataegus spp. |
|
| 0008102 |
Norway maple |
Acer platanoides |
|
| 0008108 |
silver maple |
Acer saccharinum |
|
| 0008078 |
American elm |
Ulmus americana |
|
| 0008064 |
northern catalpa |
Catalpa speciosa |
|
| 0008069 |
common chokecherry |
Prunus virginiana |
|
| 0008025 |
bitternut hickory |
Carya cordiformis |
|
| 0008012 |
eastern redcedar |
Juniperus virginiana |
|
| 0008003 |
common hackberry |
Celtis occidentalis |
characteristic corky warts or ridges on young stem |
| 0008365 |
black locust |
Robinia pseudoacacia |
|
| 0008428 |
Russian-olive |
Elaeagnus angustifolia |
|
| 0008275 |
yellow-poplar |
Liriodendron tulipifera |
|
| 0008287 |
European alder |
Alnus glutinosa |
|
| 0008277 |
black walnut |
Juglans nigra |
|
| 0008278 |
black walnut |
Juglans nigra |
|
| 0008104 |
red maple |
Acer rubrum |
|
| 0008105 |
red maple |
Acer rubrum |
|
| 0008103 |
red maple |
Acer rubrum |
|
| 0008022 |
quaking aspen |
Populus tremuloides |
|
| 0008061 |
American basswood |
Tilia americana |
|
| 0008068 |
black cherry |
Prunus serotina |
|
| 0008007 |
witch-hazel |
Hamamelis virginiana |
|
| 0008195 |
American elm |
Ulmus americana |
|
| 0008433 |
Norway spruce |
Picea abies |
|
| 0008070 |
common chokecherry |
Prunus virginiana |
|
| 0008044 |
tree-of-heaven |
Ailanthus altissima |
|
| 0008004 |
ginkgo |
Ginkgo biloba |
|
| 0008118 |
northern red oak |
Quercus rubra |
|
| 0008045 |
tree-of-heaven |
Ailanthus altissima |
|
| 0008303 |
boxelder |
Acer negundo |
|
| 0008280 |
butternut |
Juglans cinerea |
|
| 0008413 |
Scots pine |
Pinus sylvestris |
|
| 0008361 |
Kentucky coffeetree |
Gymnocladus dioicus |
|
| 0008409 |
Austrian pine |
Pinus nigra |
|
| 0008107 |
silver maple |
Acer saccharinum |
|
| 0008203 |
hawthorn |
Crataegus spp. |
|
| 0008077 |
American elm |
Ulmus americana |
|
| 0008273 |
American sycamore |
Platanus occidentalis |
|
| 0008282 |
butternut |
Juglans cinerea |
|
| 0008435 |
Norway spruce |
Picea abies |
|
| 0008416 |
eastern white pine |
Pinus strobus |
|
| 0008050 |
eastern redbud |
Cercis canadensis |
|
| 0008138 |
eastern redbud |
Cercis canadensis |
|
| 0008127 |
jack pine |
Pinus banksiana |
|
| 0008292 |
bigtooth aspen |
Populus grandidentata |
|
| 0008009 |
black cherry |
Prunus serotina |
|
| 0008028 |
bur oak |
Quercus macrocarpa |
|
| 0008002 |
common hackberry |
Celtis occidentalis |
characteristic corky warts or ridges on young stem |
| 0008001 |
common hackberry |
Celtis occidentalis |
scaly bark on older tree |
| 0008085 |
shagbark hickory |
Carya ovata |
|
| 0008319 |
eastern cottonwood |
Populus deltoides ssp. deltoides |
|
| 0008060 |
American basswood |
Tilia americana |
|
| 0008378 |
silver maple |
Acer saccharinum |
|
| 0008508 |
common horse chestnut |
Aesculus hippocastanum |
Leaf scars and buds |
| 0008521 |
red maple |
Acer rubrum |
Buds |
| 0008254 |
white oak |
Quercus alba |
|
| 0008253 |
white oak |
Quercus alba |
|
| 0008302 |
American hornbeam |
Carpinus caroliniana |
|
| 0008396 |
northern red oak |
Quercus rubra |
|
| 0008436 |
Norway spruce |
Picea abies |
|
| 0008096 |
black locust |
Robinia pseudoacacia |
variety "purple robe" |
| 0008034 |
honeylocust |
Gleditsia triacanthos |
|
| 0008111 |
bur oak |
Quercus macrocarpa |
|
| 0008112 |
bur oak |
Quercus macrocarpa |
|
| 0008509 |
hophornbeam |
Ostrya virginiana |
Buds and staminate aments |
| 0008309 |
eastern redcedar |
Juniperus virginiana |
|
| 0008215 |
Kentucky coffeetree |
Gymnocladus dioicus |
|
| 0008017 |
river birch |
Betula nigra |
|
| 0008359 |
hophornbeam |
Ostrya virginiana |
|
| 0008293 |
bigtooth aspen |
Populus grandidentata |
|
| 0008016 |
paper birch |
Betula papyrifera |
|
| 0008337 |
fragrant sumac |
Rhus aromatica |
|
| 0008385 |
bur oak |
Quercus macrocarpa |
|
| 0008326 |
redosier dogwood |
Cornus sericea |
|
| 0008382 |
mulberry |
Morus spp. |
|
| 0008415 |
eastern white pine |
Pinus strobus |
|
| 0008224 |
black maple |
Acer nigrum |
|
| 0008177 |
American hornbeam |
Carpinus caroliniana |
|
| 0008450 |
black willow |
Salix nigra |
|
| 0008148 |
yellow-poplar |
Liriodendron tulipifera |
|
| 0008414 |
eastern white pine |
Pinus strobus |
|
| 0008299 |
American basswood |
Tilia americana |
|
| 0008440 |
American sycamore |
Platanus occidentalis |
|
| 0008335 |
white fir |
Abies concolor |
|
| 0008252 |
white oak |
Quercus alba |
|
| 0008448 |
black walnut |
Juglans nigra |
|
| 0008333 |
balsam fir |
Abies balsamea |
|
| 0008210 |
bitternut hickory |
Carya cordiformis |
|
| 0008251 |
white oak |
Quercus alba |
|
| 0008211 |
shagbark hickory |
Carya ovata |
|
| 0008327 |
redosier dogwood |
Cornus sericea |
|
| 0008225 |
Norway maple |
Acer platanoides |
|
| 0008151 |
black walnut |
Juglans nigra |
|
| 0008330 |
rock elm |
Ulmus thomasii |
|
| 0008043 |
butternut |
Juglans cinerea |
|
| 0008125 |
Austrian pine |
Pinus nigra |
|
| 0008544 |
northern red oak |
Quercus rubra |
Buds and leaf scars |
| 0008412 |
red pine |
Pinus resinosa |
|
| 0008250 |
swamp white oak |
Quercus bicolor |
|
| 0008235 |
northern pin oak |
Quercus ellipsoidalis |
|
| 0008226 |
Norway maple |
Acer platanoides |
|
| 0008198 |
Douglas-fir |
Pseudotsuga menziesii |
|
| 0008236 |
northern pin oak |
Quercus ellipsoidalis |
|
| 0008353 |
shagbark hickory |
Carya ovata |
|
| 0008249 |
swamp white oak |
Quercus bicolor |
|
| 0008132 |
white poplar |
Populus alba |
|
| 0008246 |
shingle oak |
Quercus imbricaria |
|
| 0008522 |
silver maple |
Acer saccharinum |
Buds |
| 0008329 |
American elm |
Ulmus americana |
|
| 0008355 |
shellbark hickory |
Carya laciniosa |
|
| 0008131 |
Scots pine |
Pinus sylvestris |
|
| 0008079 |
American elm |
Ulmus americana |
|
| 0008130 |
Scots pine |
Pinus sylvestris |
|
| 0008173 |
paper birch |
Betula papyrifera |
|
| 0008387 |
bur oak |
Quercus macrocarpa |
|
| 0008397 |
northern red oak |
Quercus rubra |
|
| 0008503 |
shagbark hickory |
Carya ovata |
Leaf scars and buds |
| 0008228 |
sugar maple |
Acer saccharum |
|
| 0008501 |
bitternut hickory |
Carya cordiformis |
Leaf scars and buds |
| 0008241 |
post oak |
Quercus stellata |
|
| 0008403 |
swamp white oak |
Quercus bicolor |
|
| 0008552 |
black walnut |
Juglans nigra |
Chambered pith |
| 0008115 |
northern red oak |
Quercus rubra |
|
| 0008555 |
witch-hazel |
Hamamelis virginiana |
Buds |
| 0008176 |
American hornbeam |
Carpinus caroliniana |
|
| 0008128 |
red pine |
Pinus resinosa |
|
| 0008400 |
shingle oak |
Quercus imbricaria |
|
| 0008352 |
shagbark hickory |
Carya ovata |
|
| 0008379 |
sugar maple |
Acer saccharum |
|
| 0008205 |
hawthorn |
Crataegus spp. |
|
| 0008381 |
sugar maple |
Acer saccharum |
|
| 0008113 |
chinkapin oak |
Quercus muehlenbergii |
|
| 0008011 |
eastern arborvitae |
Thuja occidentalis |
|
| 0008140 |
serviceberry |
Amelanchier arborea |
|
| 0008557 |
witch-hazel |
Hamamelis virginiana |
|
| 0008391 |
northern pin oak |
Quercus ellipsoidalis |
|
| 0008038 |
swamp white oak |
Quercus bicolor |
|
| 0008027 |
black locust |
Robinia pseudoacacia |
|
| 0008401 |
swamp white oak |
Quercus bicolor |
|
| 0008170 |
white ash |
Fraxinus americana |
|
| 0008394 |
post oak |
Quercus stellata |
|
| 0008049 |
staghorn sumac |
Rhus typhina |
|
| 0008037 |
white oak |
Quercus alba |
|
| 0008536 |
Russian-olive |
Elaeagnus angustifolia |
Buds and leaf scars |
| 0008126 |
jack pine |
Pinus banksiana |
|
| 0008019 |
quaking aspen |
Populus tremuloides |
|
| 0008010 |
black cherry |
Prunus serotina |
|
| 0008046 |
American sycamore |
Platanus occidentalis |
|
| 0008322 |
southern crabapple |
Malus angustifolia |
|
| 0008398 |
northern red oak |
Quercus rubra |
|
| 0008041 |
pin oak |
Quercus palustris |
|
| 0008056 |
green ash |
Fraxinus pennsylvanica |
|
| 0008171 |
baldcypress |
Taxodium distichum |
|
| 0008026 |
black locust |
Robinia pseudoacacia |
|
| 0008384 |
black oak |
Quercus velutina |
|
| 0008375 |
red maple |
Acer rubrum |
|
| 0008372 |
black maple |
Acer nigrum |
|
| 0008328 |
redosier dogwood |
Cornus sericea |
|
| 0008129 |
Scots pine |
Pinus sylvestris |
|
| 0008268 |
Russian-olive |
Elaeagnus angustifolia |
|
| 0008087 |
shagbark hickory |
Carya ovata |
|
| 0008377 |
silver maple |
Acer saccharinum |
|
| 0008237 |
pin oak |
Quercus palustris |
|
| 0008018 |
river birch |
Betula nigra |
|
| 0008404 |
white oak |
Quercus alba |
|
| 0008395 |
post oak |
Quercus stellata |
|
| 0008464 |
white ash |
Fraxinus americana |
Leaf scars and buds |
| 0008513 |
black locust |
Robinia pseudoacacia |
|
| 0008392 |
pin oak |
Quercus palustris |
|
| 0008092 |
hophornbeam |
Ostrya virginiana |
|
| 0008024 |
common horse chestnut |
Aesculus hippocastanum |
|
| 0008063 |
buckeye |
Aesculus spp. |
|
| 0008549 |
American sycamore |
Platanus occidentalis |
Buds |
| 0008029 |
bur oak |
Quercus macrocarpa |
|
| 0008084 |
bitternut hickory |
Carya cordiformis |
|
| 0008094 |
European larch |
Larix decidua |
|
| 0008058 |
quaking aspen |
Populus tremuloides |
|
| 0008324 |
alternateleaf dogwood |
Cornus alternifolia |
|
| 0008020 |
baldcypress |
Taxodium distichum |
|
| 0008232 |
bur oak |
Quercus macrocarpa |
|
| 0008339 |
ginkgo |
Ginkgo biloba |
|
| 0008510 |
hophornbeam |
Ostrya virginiana |
Buds and staminate aments |
| 0008247 |
shingle oak |
Quercus imbricaria |
|
| 0008393 |
post oak |
Quercus stellata |
|
| 0008468 |
baldcypress |
Taxodium distichum |
Buds |
| 0008175 |
paper birch |
Betula papyrifera |
|
| 0008316 |
eastern cottonwood |
Populus deltoides ssp. deltoides |
|
| 0008015 |
paper birch |
Betula papyrifera |
|
| 0008332 |
slippery elm |
Ulmus rubra |
|
| 0008163 |
hemlock |
Tsuga spp. |
|
| 0008364 |
European larch |
Larix decidua |
|
| 0008354 |
shagbark hickory |
Carya ovata |
|
| 0008334 |
Douglas-fir |
Pseudotsuga menziesii |
|
| 0008463 |
green ash |
Fraxinus pennsylvanica |
Leaf scars and buds |
| 0008399 |
shingle oak |
Quercus imbricaria |
|
| 0008139 |
Russian-olive |
Elaeagnus angustifolia |
|
| 0008057 |
quaking aspen |
Populus tremuloides |
|
| 0008389 |
chinkapin oak |
Quercus muehlenbergii |
|
| 0008366 |
black locust |
Robinia pseudoacacia |
|
| 0008164 |
common horse chestnut |
Aesculus hippocastanum |
|
| 0008461 |
green ash |
Fraxinus pennsylvanica |
leaf scars and buds |
| 0008230 |
red mulberry |
Morus rubra |
|
| 0008207 |
American hazelnut |
Corylus americana |
|
| 0008548 |
American sycamore |
Platanus occidentalis |
Buds |
| 0008169 |
green ash |
Fraxinus pennsylvanica |
|
| 0008238 |
pin oak |
Quercus palustris |
|
| 0008447 |
black walnut |
Juglans nigra |
|
| 0008342 |
common hackberry |
Celtis occidentalis |
|
| 0008479 |
eastern redcedar |
Juniperus virginiana |
|
| 0008367 |
honeylocust |
Gleditsia triacanthos |
|
| 0008054 |
European alder |
Alnus glutinosa |
|
| 0008167 |
black ash |
Fraxinus nigra |
|
| 0008520 |
red maple |
Acer rubrum |
Buds |
| 0008216 |
Kentucky coffeetree |
Gymnocladus dioicus |
|
| 0008321 |
southern crabapple |
Malus angustifolia |
|
| 0008336 |
fragrant sumac |
Rhus aromatica |
|
| 0008255 |
osage-orange |
Maclura pomifera |
|
| 0008031 |
sugar maple |
Acer saccharum |
|
| 0008323 |
alternateleaf dogwood |
Cornus alternifolia |
|
| 0008388 |
bur oak |
Quercus macrocarpa |
|
| 0008526 |
mulberry |
Morus spp. |
Buds and leaf scars |
| 0008014 |
white ash |
Fraxinus americana |
|
| 0008310 |
eastern arborvitae |
Thuja occidentalis |
|
| 0008407 |
osage-orange |
Maclura pomifera |
thorns on twig |
| 0008438 |
sweetgum |
Liquidambar styraciflua |
|
| 0008518 |
Norway maple |
Acer platanoides |
Buds |
| 0008311 |
eastern arborvitae |
Thuja occidentalis |
|
| 0008434 |
Norway spruce |
Picea abies |
|
| 0008431 |
blue spruce |
Picea pungens |
|
| 0008444 |
yellow-poplar |
Liriodendron tulipifera |
|
| 0008459 |
blue ash |
Fraxinus quadrangulata |
Leaf scars and buds |
| 0008202 |
hawthorn |
Crataegus spp. |
|
| 0008460 |
green ash |
Fraxinus pennsylvanica |
Leaf scars and buds |
| 0008358 |
hophornbeam |
Ostrya virginiana |
|
| 0008530 |
post oak |
Quercus stellata |
Buds and leaf scars |
| 0008429 |
serviceberry |
Amelanchier arborea |
|
| 0008430 |
serviceberry |
Amelanchier arborea |
|
| 0008059 |
quaking aspen |
Populus tremuloides |
|
| 0008135 |
eastern redbud |
Cercis canadensis |
|
| 0008227 |
silver maple |
Acer saccharinum |
|
| 0008243 |
northern red oak |
Quercus rubra |
|
| 0008308 |
northern catalpa |
Catalpa speciosa |
|
| 0008040 |
northern red oak |
Quercus rubra |
|
| 0008035 |
Scots pine |
Pinus sylvestris |
|
| 0008081 |
common hackberry |
Celtis occidentalis |
|
| 0008097 |
black locust |
Robinia pseudoacacia |
|
| 0008039 |
swamp white oak |
Quercus bicolor |
|
| 0008408 |
pecan |
Carya illinoinensis |
|
| 0008301 |
river birch |
Betula nigra |
|
| 0008284 |
witch-hazel |
Hamamelis virginiana |
|
| 0008214 |
hophornbeam |
Ostrya virginiana |
|
| 0008457 |
black ash |
Fraxinus nigra |
Buds |
| 0008331 |
slippery elm |
Ulmus rubra |
|
| 0008286 |
European alder |
Alnus glutinosa |
|
| 0008234 |
chinkapin oak |
Quercus muehlenbergii |
|
| 0008486 |
alternateleaf dogwood |
Cornus alternifolia |
Leaf scars and buds |
| 0008462 |
green ash |
Fraxinus pennsylvanica |
Leaf scars and buds |
| 0008298 |
American basswood |
Tilia americana |
|
| 0008304 |
boxelder |
Acer negundo |
|
| 0008325 |
redosier dogwood |
Cornus sericea |
|
| 0008554 |
butternut |
Juglans cinerea |
Buds and leaf scars |
| 0008089 |
common horse chestnut |
Aesculus hippocastanum |
|
| 0008402 |
swamp white oak |
Quercus bicolor |
|
| 0008386 |
bur oak |
Quercus macrocarpa |
|
| 0008233 |
chinkapin oak |
Quercus muehlenbergii |
|
| 0008093 |
European larch |
Larix decidua |
|
| 0008145 |
yellow-poplar |
Liriodendron tulipifera |
|
| 0008036 |
osage-orange |
Maclura pomifera |
|
| 0008153 |
black willow |
Salix nigra |
|
| 0008047 |
American sycamore |
Platanus occidentalis |
|
| 0008494 |
ginkgo |
Ginkgo biloba |
|
| 0008032 |
Norway maple |
Acer platanoides |
|
| 0008405 |
osage-orange |
Maclura pomifera |
|
| 0008443 |
yellow-poplar |
Liriodendron tulipifera |
|
| 0008338 |
ginkgo |
Ginkgo biloba |
|
| 0008489 |
rock elm |
Ulmus thomasii |
|
| 0008496 |
hawthorn |
Crataegus spp. |
|
| 0008048 |
American sycamore |
Platanus occidentalis |
|
| 0008442 |
tree-of-heaven |
Ailanthus altissima |
|
| 0008318 |
eastern cottonwood |
Populus deltoides ssp. deltoides |
|
| 0008542 |
northern red oak |
Quercus rubra |
Buds |
| 0008149 |
black walnut |
Juglans nigra |
|
| 0008390 |
chinkapin oak |
Quercus muehlenbergii |
|
| 0008346 |
eastern hemlock |
Tsuga canadensis |
|
| 0008147 |
yellow-poplar |
Liriodendron tulipifera |
|
| 0008152 |
black willow |
Salix nigra |
|
| 0008212 |
shagbark hickory |
Carya ovata |
|
| 0008248 |
swamp white oak |
Quercus bicolor |
|
| 0008437 |
staghorn sumac |
Rhus typhina |
|
| 0008144 |
staghorn sumac |
Rhus typhina |
|
| 0008373 |
Norway maple |
Acer platanoides |
|
| 0008320 |
southern crabapple |
Malus angustifolia |
|
| 0008441 |
tree-of-heaven |
Ailanthus altissima |
|
| 0008451 |
sandbar willow |
Salix interior |
|
| 0008030 |
red mulberry |
Morus rubra |
|
| 0008376 |
silver maple |
Acer saccharinum |
|
| 0008312 |
black cherry |
Prunus serotina |
|
| 0008380 |
sugar maple |
Acer saccharum |
|
| 0008165 |
hophornbeam |
Ostrya virginiana |
|
| 0008418 |
eastern poison-ivy |
Toxicodendron radicans |
|
| 0008360 |
hophornbeam |
Ostrya virginiana |
|
| 0008053 |
European alder |
Alnus glutinosa |
|
| 0008297 |
baldcypress |
Taxodium distichum |
|
| 0008410 |
jack pine |
Pinus banksiana |
|
| 0008374 |
red maple |
Acer rubrum |
|
| 0008458 |
black ash |
Fraxinus nigra |
Leaf scars and buds |
| 0008262 |
Scots pine |
Pinus sylvestris |
|
| 0008538 |
serviceberry |
Amelanchier arborea |
Buds |
| 0008546 |
swamp white oak |
Quercus bicolor |
Acorn cup |
| 0008146 |
yellow-poplar |
Liriodendron tulipifera |
|
| 0008008 |
black cherry |
Prunus serotina |
|
| 0008257 |
Austrian pine |
Pinus nigra |
|
| 0008541 |
northern red oak |
Quercus rubra |
Buds |
| 0008528 |
chinkapin oak |
Quercus muehlenbergii |
Buds |
| 0008439 |
American sycamore |
Platanus occidentalis |
|
| 0008042 |
butternut |
Juglans cinerea |
|
| 0008545 |
shingle oak |
Quercus imbricaria |
Buds |
| 0008184 |
European buckthorn |
Rhamnus cathartica |
|
| 0008242 |
northern red oak |
Quercus rubra |
|
| 0008495 |
hackberry |
Celtis spp. |
Leaf scars and buds |
| 0008343 |
hawthorn |
Crataegus spp. |
|
| 0008529 |
pin oak |
Quercus palustris |
Buds |
| 0008295 |
quaking aspen |
Populus tremuloides |
|
| 0008294 |
quaking aspen |
Populus tremuloides |
|
| 0008073 |
southern crabapple |
Malus angustifolia |
|
| 0008507 |
common horse chestnut |
Aesculus hippocastanum |
|
| 0008493 |
slippery elm |
Ulmus rubra |
Leaf scars and buds |
| 0008452 |
sandbar willow |
Salix interior |
|
| 0008340 |
common hackberry |
Celtis occidentalis |
|
| 0008281 |
butternut |
Juglans cinerea |
|
| 0008088 |
common horse chestnut |
Aesculus hippocastanum |
|
| 0008488 |
American elm |
Ulmus americana |
Leaf scars and buds |
| 0008517 |
saucer magnolia |
Magnolia x soulangiana |
Buds |
| 0008265 |
prickly-ash |
Zanthoxylum americanum |
|
| 0008155 |
witch-hazel |
Hamamelis virginiana |
|
| 0008231 |
black oak |
Quercus velutina |
|
| 0008222 |
honeylocust |
Gleditsia triacanthos |
|
| 0008291 |
white ash |
Fraxinus americana |
|
| 0008245 |
northern red oak |
Quercus rubra |
|
| 0008055 |
black ash |
Fraxinus nigra |
|
| 0008505 |
shagbark hickory |
Carya ovata |
Leaf scars and buds |
| 0008383 |
red mulberry |
Morus rubra |
|
| 0008547 |
white oak |
Quercus alba |
Buds |
| 0008244 |
northern red oak |
Quercus rubra |
|
| 0008240 |
post oak |
Quercus stellata |
|
| 0008156 |
white ash |
Fraxinus americana |
|
| 0008534 |
prickly-ash |
Zanthoxylum americanum |
Buds and thorns |
| 0008449 |
butternut |
Juglans cinerea |
|
| 0008556 |
witch-hazel |
Hamamelis virginiana |
Buds |
| 0008187 |
eastern arborvitae |
Thuja occidentalis |
|
| 0008033 |
honeylocust |
Gleditsia triacanthos |
|
| 0008239 |
pin oak |
Quercus palustris |
|
| 0008296 |
baldcypress |
Taxodium distichum |
|
| 0008300 |
paper birch |
Betula papyrifera |
|
| 0008533 |
prickly-ash |
Zanthoxylum americanum |
Thorns |
| 0008259 |
jack pine |
Pinus banksiana |
|
| 0008160 |
alternateleaf dogwood |
Cornus alternifolia |
|
| 0008200 |
fragrant sumac |
Rhus aromatica |
|
| 0008086 |
shagbark hickory |
Carya ovata |
|
| 0008136 |
eastern redbud |
Cercis canadensis |
|
| 0008349 |
pecan |
Carya illinoinensis |
|
| 0008519 |
Norway maple |
Acer platanoides |
Buds |
| 0008134 |
eastern redbud |
Cercis canadensis |
|
| 0008456 |
European alder |
Alnus glutinosa |
|
| 0008551 |
winged burning bush |
Euonymus alatus |
|
| 0008445 |
winged burning bush |
Euonymus alatus |
|
| 0008446 |
winged burning bush |
Euonymus alatus |
|
| 0008221 |
black locust |
Robinia pseudoacacia |
fruit and seeds |
| 0008477 |
European buckthorn |
Rhamnus cathartica |
Leaf scars and buds |
| 0008306 |
European buckthorn |
Rhamnus cathartica |
|
| 0008307 |
European buckthorn |
Rhamnus cathartica |
|
| 0008266 |
eastern redbud |
Cercis canadensis |
|
| 0008260 |
ponderosa pine |
Pinus ponderosa |
|
| 0008072 |
southern crabapple |
Malus angustifolia |
|
| 0008514 |
honeylocust |
Gleditsia triacanthos |
|
| 0008515 |
honeylocust |
Gleditsia triacanthos |
3-branched thorn |
| 0008516 |
honeylocust |
Gleditsia triacanthos |
multi-branched thorn |
| 0008511 |
Kentucky coffeetree |
Gymnocladus dioicus |
Leaf scar and pith |
| 0008512 |
European larch |
Larix decidua |
Spur shoots and cone |
| 0008550 |
tree-of-heaven |
Ailanthus altissima |
Buds and leaf scars |
| 0008543 |
osage-orange |
Maclura pomifera |
Thorns |
| 0008539 |
smooth sumac |
Rhus glabra |
Buds and leaf scars |
| 0008540 |
sumac |
Rhus spp. |
Buds and pith |
| 0008523 |
maple |
Acer spp. |
sugar maple (top), red maple (middle), Norway Maple (bottom) |
| 0008524 |
sugar maple |
Acer saccharum |
|
| 0008525 |
red mulberry |
Morus rubra |
|
| 0008535 |
eastern redbud |
Cercis canadensis |
Buds |
| 0008531 |
eastern white pine |
Pinus strobus |
|
| 0008532 |
eastern poison-ivy |
Toxicodendron radicans |
Buds and fruit |
| 0008502 |
pecan |
Carya illinoinensis |
Leaf scars and buds |
| 0008504 |
shagbark hickory |
Carya ovata |
Leaf scars and buds |
| 0008491 |
slippery elm |
Ulmus rubra |
Leaf scars and buds |
| 0008492 |
slippery elm |
Ulmus rubra |
Leaf scars and buds |
| 0008487 |
redosier dogwood |
Cornus sericea |
Leaf scars and buds |
| 0008484 |
dogwood |
Cornus spp. |
Alternate leaf dogwood (left) compared to redosier dogwood (right) |
| 0008485 |
alternateleaf dogwood |
Cornus alternifolia |
Leaf scars and buds |
| 0008497 |
American hazelnut |
Corylus americana |
|
| 0008498 |
American hazelnut |
Corylus americana |
with staminate aments |
| 0008499 |
American hazelnut |
Corylus americana |
With staminate aments |
| 0008478 |
northern catalpa |
Catalpa speciosa |
Leaf scars and buds |
| 0008480 |
black cherry |
Prunus serotina |
|
| 0008482 |
common chokecherry |
Prunus virginiana |
|
| 0008469 |
baldcypress |
Taxodium distichum |
Buds |
| 0008470 |
American basswood |
Tilia americana |
Leaf scars and buds |
| 0008465 |
white ash |
Fraxinus americana |
Leaf scars and buds |
| 0008466 |
quaking aspen |
Populus tremuloides |
Leaf scars and buds |
| 0008467 |
quaking aspen |
Populus tremuloides |
Leaf scars and buds |
| 0008453 |
witch-hazel |
Hamamelis virginiana |
|
| 0008454 |
Kentucky yellowwood |
Cladrastis kentukea |
|
| 0008455 |
Kentucky yellowwood |
Cladrastis kentukea |
|
| 0008368 |
Amur maple |
Acer ginnala |
|
| 0008370 |
Amur maple |
Acer ginnala |
|
| 0008371 |
Amur maple |
Acer ginnala |
|
| 0008417 |
American plum |
Prunus americana |
|
| 0008425 |
eastern redbud |
Cercis canadensis |
|
| 0008426 |
eastern redbud |
Cercis canadensis |
|
| 0008427 |
eastern redbud |
Cercis canadensis |
|
| 0008357 |
common horse chestnut |
Aesculus hippocastanum |
|
| 0008350 |
pecan |
Carya illinoinensis |
|
| 0008351 |
pecan |
Carya illinoinensis |
|
| 0008347 |
bitternut hickory |
Carya cordiformis |
|
| 0008344 |
American hazelnut |
Corylus americana |
|
| 0008345 |
American hazelnut |
Corylus americana |
|
| 0008305 |
buckeye |
Aesculus spp. |
|
| 0008313 |
common chokecherry |
Prunus virginiana |
|
| 0008314 |
common chokecherry |
Prunus virginiana |
|
| 0008315 |
American chestnut |
Castanea dentata |
|
| 0008076 |
redosier dogwood |
Cornus sericea |
|
| 0008080 |
common hackberry |
Celtis occidentalis |
|
| 0008090 |
common horse chestnut |
Aesculus hippocastanum |
|
| 0008099 |
honeylocust |
Gleditsia triacanthos |
|
| 0008101 |
Norway maple |
Acer platanoides |
|
| 0008109 |
sugar maple |
Acer saccharum |
|
| 0008110 |
sugar maple |
Acer saccharum |
|
| 0008106 |
silver maple |
Acer saccharinum |
|
| 0008141 |
Norway spruce |
Picea abies |
|
| 0008142 |
white spruce |
Picea glauca |
|
| 0008143 |
white spruce |
Picea glauca |
|
| 0008150 |
black walnut |
Juglans nigra |
|
| 0008133 |
eastern redbud |
Cercis canadensis |
|
| 0008116 |
northern red oak |
Quercus rubra |
|
| 0008123 |
Austrian pine |
Pinus nigra |
|
| 0008124 |
Austrian pine |
Pinus nigra |
|
| 0008074 |
alternateleaf dogwood |
Cornus alternifolia |
|
| 0008071 |
aspen/poplar |
Populus spp. |
|
| 0008066 |
eastern redcedar |
Juniperus virginiana |
|
| 0008067 |
eastern redcedar |
Juniperus virginiana |
|
| 0008062 |
buckeye |
Aesculus spp. |
|
| 0008261 |
red pine |
Pinus resinosa |
|
| 0008263 |
American plum |
Prunus americana |
|
| 0008264 |
eastern poison-ivy |
Toxicodendron radicans |
|
| 0008258 |
Austrian pine |
Pinus nigra |
|
| 0008256 |
osage-orange |
Maclura pomifera |
|
| 0008223 |
Amur maple |
Acer ginnala |
|
| 0008270 |
Norway spruce |
Picea abies |
|
| 0008271 |
white spruce |
Picea glauca |
|
| 0008272 |
smooth sumac |
Rhus glabra |
|
| 0008274 |
American sycamore |
Platanus occidentalis |
|
| 0008285 |
witch-hazel |
Hamamelis virginiana |
|
| 0008283 |
black willow |
Salix nigra |
|
| 0008208 |
American hazelnut |
Corylus americana |
|
| 0008209 |
eastern hemlock |
Tsuga canadensis |
|
| 0008217 |
Kentucky coffeetree |
Gymnocladus dioicus |
|
| 0008199 |
Douglas-fir |
Pseudotsuga menziesii |
|
| 0008206 |
American hazelnut |
Corylus americana |
|
| 0008196 |
balsam fir |
Abies balsamea |
|
| 0008197 |
Douglas-fir |
Pseudotsuga menziesii |
|
| 0008166 |
European alder |
Alnus glutinosa |
|
| 0008157 |
baldcypress |
Taxodium distichum |
|
| 0008158 |
buckeye |
Aesculus spp. |
|
| 0008154 |
witch-hazel |
Hamamelis virginiana |
|
| 0008188 |
common chokecherry |
Prunus virginiana |
|
| 0008189 |
American chestnut |
Castanea dentata |
|
| 0008185 |
northern catalpa |
Catalpa speciosa |
|
| 0008186 |
eastern redcedar |
Juniperus virginiana |
|
| 0008180 |
buckeye |
Aesculus spp. |
|
| 0008181 |
buckeye |
Aesculus spp. |
|
| 0008182 |
buckeye |
Aesculus spp. |
|
| 0008183 |
buckeye |
Aesculus spp. |
|
| 0008174 |
paper birch |
Betula papyrifera |
|
| 0008051 |
serviceberry |
Amelanchier arborea |
|
| 0008052 |
serviceberry |
Amelanchier arborea |
|
| 0008005 |
American elm |
Ulmus americana |
on bottom, compared with slippery elm - Ulmus rubra on top |
