| 5468092 |
boxelder |
Acer negundo |
Manitoba maples double samara's held over winter |
| 5468164 |
American beech |
Fagus grandifolia |
Terminal bud of an American beech |
| 5468090 |
silver maple |
Acer saccharinum |
Silver maple silhouette |
| 5468120 |
speckled alder |
Alnus incana ssp. rugosa |
Buds and twig |
| 5468143 |
common chokecherry |
Prunus virginiana |
Bark of a choke cherry tree. |
| 5468126 |
crabapple and apple |
Malus spp. |
Terminal bud of an apple tree |
| 5468127 |
boxelder |
Acer negundo |
bud and branch of a manitoba maple |
| 5468149 |
alternateleaf dogwood |
Cornus alternifolia |
branching of an alternate-leaf dogwood |
| 5468153 |
willow |
Salix spp. |
Alternate arranged buds and terminal bud of a willow |
| 5468154 |
paper birch |
Betula papyrifera |
New growth and terminal bud of a white birch |
| 5468163 |
American beech |
Fagus grandifolia |
An american beech retaining its leaves over winter |
| 5468158 |
balsam poplar |
Populus balsamifera |
terminal bud of a balsam poplar |
| 5468093 |
boxelder |
Acer negundo |
Bark of a Manitoba maple |
| 5468094 |
boxelder |
Acer negundo |
Manitoba maple silhouette |
| 5468085 |
striped maple |
Acer pensylvanicum |
twig and buds of a striped maple |
| 5468086 |
red maple |
Acer rubrum |
Red maple entire |
| 5468088 |
red maple |
Acer rubrum |
Bark of a Red maple |
| 5468099 |
paper birch |
Betula papyrifera |
White birch silhouette |
| 5468100 |
white ash |
Fraxinus americana |
White ash terminal bud and leaf scar |
| 5468102 |
northern red oak |
Quercus rubra |
terminal bud of a red oak |
| 5468110 |
pin cherry |
Prunus pensylvanica |
Terminal buds of a pin cherry |
| 5468111 |
quaking aspen |
Populus tremuloides |
Trembling aspen silhouette |
| 5468112 |
quaking aspen |
Populus tremuloides |
Bark of a trembling aspen |
| 5468115 |
mountain ash |
Sorbus spp. |
New growth and terminal bud of a Mountain Ash |
| 5468116 |
mountain ash |
Sorbus spp. |
|
| 5468118 |
speckled alder |
Alnus incana ssp. rugosa |
Bark of a speckled alder |
| 5468122 |
quaking aspen |
Populus tremuloides |
buds and twig of a trembling aspen |
| 5468123 |
American elm |
Ulmus americana |
terminal bud and twig of a white elm |
| 5468124 |
green ash |
Fraxinus pennsylvanica |
Bark of a Red ash |
| 5468125 |
green ash |
Fraxinus pennsylvanica |
New growth of a red ash |
| 5468129 |
black ash |
Fraxinus nigra |
Terminal bud of a black ash tree |
| 5468131 |
northern red oak |
Quercus rubra |
A red oak retaining its leaves over winter. |
| 5468132 |
northern red oak |
Quercus rubra |
Bark of a red oak |
| 5468083 |
yellow birch |
Betula alleghaniensis |
Bark of a mature Yellow birch |
| 5468084 |
yellow birch |
Betula alleghaniensis |
Twig of a Yellow birch |
| 5468134 |
paper birch |
Betula papyrifera |
Mature bark of a white birch |
| 5468136 |
Carolina poplar |
Populus x canadensis |
Carolina poplar silhouette's |
| 5468137 |
American elm |
Ulmus americana |
Silhouette of a white elm tree. |
| 5468138 |
Carolina poplar |
Populus x canadensis |
Bark of a carolina poplar |
| 5468139 |
Carolina poplar |
Populus x canadensis |
buds of a carolina poplar |
| 5468140 |
Carolina poplar |
Populus x canadensis |
twigs and and buds of a Carolina poplar |
| 5468156 |
balsam poplar |
Populus balsamifera |
young balsam poplar silhouette |
| 5468157 |
balsam poplar |
Populus balsamifera |
bark of a balsam poplar |
| 5468160 |
quaking aspen |
Populus tremuloides |
buds and twig of a trembling aspen |
| 5468161 |
striped maple |
Acer pensylvanicum |
striped maple bark |
| 5468165 |
American beech |
Fagus grandifolia |
American beech bark |
| 5390583 |
two-wing silverbell |
Halesia diptera |
horticultural variety of silverbell |
| 1570472 |
lemon |
Citrus x limon |
Nesting of gray mold (caused by Botrytis cinerea) in a crate of stored lemons. May 1992 |
| 5408538 |
tree-of-heaven |
Ailanthus altissima |
glandular leaf notches |
| 5408164 |
glossy privet |
Ligustrum lucidum |
back-lit to show venation of leaf |