Paul Wray's Images
Title: Extension ForesterOrganization: Iowa State University
Country: United States
| 555 Images of 102 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 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 |
