| 5492631 |
pin oak |
Quercus palustris |
pin oak, Quercus palustris; acorns developing in their 2nd year (bottom) and newly developed/current year acorns on current year's growth (top); June 14, 2012 |
| 5492629 |
black cherry |
Prunus serotina |
mature black cherry, Prunus serotina |
| 5488145 |
northern catalpa |
Catalpa speciosa |
northern catalpa (Catalpa speciosa) whorled bud arrangement; Great Lakes Forestry Centre Arboretum |
| 5488142 |
paper birch |
Betula papyrifera |
white birch (Betula papyrifera) spur shoots; large terminal bud of American mountain ash (Sorbus americana) clearly visible in the background |
| 5488134 |
red maple |
Acer rubrum |
red maple (Acer rubrum) |
| 5488137 |
northern red oak |
Quercus rubra |
northern red oak (Quercus rubra) |
| 5488136 |
black ash |
Fraxinus nigra |
black ash (Fraxinus nigra) |
| 5488135 |
black ash |
Fraxinus nigra |
black ash (Fraxinus nigra) |
| 5488130 |
American mountain ash |
Sorbus americana |
American mountain ash (Sorbus americana) |
| 5488129 |
American mountain ash |
Sorbus americana |
American mountain ash (Sorbus americana) |
| 5487710 |
bur oak |
Quercus macrocarpa |
bur oak (Quercus macrocarpa) |
| 5474258 |
silver maple |
Acer saccharinum |
Acer saccharinum; typical open growth form |
| 5474401 |
butternut |
Juglans cinerea |
young butternut tree |
| 5474091 |
shagbark hickory |
Carya ovata |
Carya ovata (shagbark hickory) |
| 5474092 |
shagbark hickory |
Carya ovata |
Carya ovata (shagbark hickory) |
| 5472382 |
mountain alder |
Alnus viridis ssp. crispa |
Alnus viridis subsp. crispa (green alder/mountain alder) male and female catkins |
| 5472119 |
hophornbeam |
Ostrya virginiana |
ironwood (Ostrya virginiana) mature bark |
| 5447069 |
boxelder |
Acer negundo |
Manitoba maple/box-elder winter twig (Acer negundo) |
| 5461515 |
mountain maple |
Acer spicatum |
mountain maple (Acer spicatum) flower spike with developing samaras |
| 5461548 |
mountain maple |
Acer spicatum |
mountain maple (Acer spicatum) |
| 5461501 |
sugar maple |
Acer saccharum |
sugar maple (Acer saccharum) sapling showing transition of previous to current year's growth |
| 5461503 |
common chokecherry |
Prunus virginiana |
choke cherry (Prunus virginiana) winter twig |
| 5461499 |
sugar maple |
Acer saccharum |
sugar maple (Acer saccharum) winter twig |
| 5461500 |
sugar maple |
Acer saccharum |
sugar maple (Acer saccharum) winter twig showing a lateral bud and leaf scar |
| 5461549 |
mountain maple |
Acer spicatum |
mountain maple (Acer spicatum) |
| 5461552 |
pin cherry |
Prunus pensylvanica |
young pin cherry (Prunus pensylvanica) |
| 5461554 |
sugar maple |
Acer saccharum |
mature sugar maple (Acer saccharum) |
| 5459330 |
mountain maple |
Acer spicatum |
characteristic mountain maple (Acer spicatum) bark pattern |
| 5458750 |
bigtooth aspen |
Populus grandidentata |
upper bole of mature largetooth aspen (Populus grandidentata) showing characteristic orange cast |
| 5458751 |
bigtooth aspen |
Populus grandidentata |
upper bole of mature largetooth aspen (Populus grandidentata) showing characteristic orange cast |
| 5458752 |
bigtooth aspen |
Populus grandidentata |
lower bole of mature largetooth aspen (Populus grandidentata) showing characteristic deeply fissured bark with orange tinge in cracks |
| 5458907 |
balsam poplar |
Populus balsamifera |
balsam poplar (Populus balsamifera) current annual growth winter twig |
| 5458908 |
balsam poplar |
Populus balsamifera |
balsam poplar (Populus balsamifera) current annual growth winter twig |
| 5455689 |
pin cherry |
Prunus pensylvanica |
pin cherry sapling (Prunus pensylvanica) |
| 5455690 |
pin cherry |
Prunus pensylvanica |
mature pin cherry (Prunus pensylvanica) |
| 5455691 |
pin cherry |
Prunus pensylvanica |
pin cherry sapling (Prunus pensylvanica) |
| 5455693 |
common chokecherry |
Prunus virginiana |
chokecherry (Prunus virginiana) flowers; early June |
| 5454163 |
Carolina poplar |
Populus x canadensis |
Carolina poplar (Populus xcanadensis) showing distinctive vegetative buds (will produce leaves) |
| 5454164 |
Carolina poplar |
Populus x canadensis |
Carolina poplar (Populus xcanadensis) showing distinctive reproductive buds (will produce catkins) |
| 5454165 |
Carolina poplar |
Populus x canadensis |
Carolina poplar (Populus xcanadensis) showing distinctive reproductive buds (will produce catkins) |
| 5454111 |
paper birch |
Betula papyrifera |
white birch (Betula papyrifera) |
| 5454474 |
Norway maple |
Acer platanoides |
mature Norway maple (Acer platanoides) |
| 5454197 |
mountain maple |
Acer spicatum |
mountain maple (Acer spicatum) winter twig |
| 5454185 |
boxelder |
Acer negundo |
Manitoba maple/boxelder (Acer negundo) winter twig |
| 5454117 |
hophornbeam |
Ostrya virginiana |
mature ironwood (Ostrya virginiana) |
| 5454118 |
hophornbeam |
Ostrya virginiana |
young ironwood (Ostrya virginiana) |
| 5454122 |
American basswood |
Tilia americana |
mature basswood (Tilia americana) with sucker growth around stump |
| 5454129 |
boxelder |
Acer negundo |
Manitoba maple (Acer negundo) - typical poor form |
| 5454137 |
Norway maple |
Acer platanoides |
Norway maple winter twig (Acer platanoides) |
| 5454138 |
Norway maple |
Acer platanoides |
Norway maple winter twig (Acer platanoides) |
| 5454168 |
mountain maple |
Acer spicatum |
mountain maple (Acer spicatum) winter twig |
| 5454192 |
sugar maple |
Acer saccharum |
sugar maple (Acer saccharum) |
| 5454200 |
northern red oak |
Quercus rubra |
mature northern red oak (Quercus rubra) |
| 5454058 |
butternut |
Juglans cinerea |
butternut (Juglans cinerea); tree was recorded in Ontario's NHIC rare plant database |
| 5445788 |
American sycamore |
Platanus occidentalis |
sycamore (Platanus occidentalis) |
| 5445791 |
American sycamore |
Platanus occidentalis |
sycamore (Platanus occidentalis) fruiting structure (diagnostic single ball) |
| 5445648 |
common hackberry |
Celtis occidentalis |
Northern Hackberry (Celtis occidentalis) |
| 5444924 |
yellow birch |
Betula alleghaniensis |
yellow birch (Betula alleghaniensis) |
| 5444942 |
cherry birch |
Betula lenta |
Betula lenta (sweet birch, cherry birch) |
| 5444752 |
black ash |
Fraxinus nigra |
young black ash (Fraxinus nigra) tree showing characteristic corky bark |
| 5444369 |
mountain alder |
Alnus viridis ssp. crispa |
green alder (Alnus viridis subsp. crispa); mid-May; receptive female catkins on long, erect stalks; male 'pollen' catkins hanging; last years female catkins in foreground |
| 5443502 |
yellow birch |
Betula alleghaniensis |
yellow birch regeneration (Betula alleghaniensis) on remnant stump |
