| 5488352 |
maple |
Acer spp. |
|
| 5484497 |
live oak |
Quercus virginiana |
|
| 5484480 |
American chestnut |
Castanea dentata |
|
| 5484489 |
American chestnut |
Castanea dentata |
A street vendor roasts chestnuts near his wagon in this historical photograph from the USDA Southern Research Station Archive. |
| 5484488 |
American chestnut |
Castanea dentata |
|
| 5484496 |
American chestnut |
Castanea dentata |
|
| 5484487 |
American chestnut |
Castanea dentata |
|
| 5484044 |
American chestnut |
Castanea dentata |
An American Chestnut (Castanea dentata), with catkins in full bloom, grows alongside the Quabbin Reservoir, in Massachusetts, USA. |
| 5485682 |
dogwood |
Cornus spp. |
|
| 5484479 |
American chestnut |
Castanea dentata |
|
| 5482975 |
flowering dogwood |
Cornus florida |
|
| 5482970 |
flowering dogwood |
Cornus florida |
|
| 5492741 |
red maple |
Acer rubrum |
early spring |
| 5492740 |
red maple |
Acer rubrum |
early spring |
| 5492742 |
quaking aspen |
Populus tremuloides |
early spring |
| 5492747 |
quaking aspen |
Populus tremuloides |
|
| 5492749 |
paper birch |
Betula papyrifera |
|
| 5492748 |
quaking aspen |
Populus tremuloides |
|
| 5492743 |
quaking aspen |
Populus tremuloides |
early spring |
| 5492744 |
quaking aspen |
Populus tremuloides |
early spring |
| 5492728 |
American basswood |
Tilia americana |
Buds |
| 5492729 |
American basswood |
Tilia americana |
Bud |
| 5488365 |
flowering dogwood |
Cornus florida |
|
| 5487694 |
yellow-poplar |
Liriodendron tulipifera |
A stand of yellow-poplar trees (Liriodendron tulipifera) is thinned. |
| 5379609 |
trifoliate orange |
Poncirus trifoliata |
fruits and thorns in August |
| 5046011 |
California white oak |
Quercus lobata |
|
| 1593084 |
American basswood |
Tilia americana |
Newly emerging leaves, late May. |
| 1118068 |
European beech |
Fagus sylvatica |
On ground. Sweden |
| 5468291 |
European buckthorn |
Rhamnus cathartica |
Fruit in winter |
| 5468232 |
quaking aspen |
Populus tremuloides |
young sucker stand of quaking aspen |
| 5468308 |
European buckthorn |
Rhamnus cathartica |
Late October, buckthorn stays green late into the fall. |
| 5468253 |
silver maple |
Acer saccharinum |
Lowland hardwood forest, Mississippi River floodplain |
| 5468261 |
silver maple |
Acer saccharinum |
Silver maple growing along a stream in a floodplain forest |
| 5468263 |
silver maple |
Acer saccharinum |
Silver maple growing along a stream, shore erosion |
| 5468265 |
silver maple |
Acer saccharinum |
Silver maple dominated floodplain forest along the Mississippi River |
| 5468266 |
silver maple |
Acer saccharinum |
Silver maple dominated floodplain forest along the Mississippi River |
| 5468267 |
silver maple |
Acer saccharinum |
Silver maple dominated floodplain forest, Mississippi River floodplain |
| 5468271 |
silver maple |
Acer saccharinum |
Mississippi River flood plain |
| 5468237 |
quaking aspen |
Populus tremuloides |
|
| 5468226 |
quaking aspen |
Populus tremuloides |
|
| 5468227 |
quaking aspen |
Populus tremuloides |
|
| 5468290 |
European buckthorn |
Rhamnus cathartica |
|
| 1396096 |
royal star magnolia |
Magnolia stellata |
|
| 2307048 |
Russian-olive |
Elaeagnus angustifolia |
Stem. Winter |
| 1462002 |
common chokecherry |
Prunus virginiana |
Underside of a leaf |
| 1212074 |
quaking aspen |
Populus tremuloides |
Interior view of stand; Plot 18, Upper Missouri Gulch, Pikes Peak RD, Pike NF |
| 0808013 |
quaking aspen |
Populus tremuloides |
Understory - silvertop sedge plant community. Coons Park, Salida Ranger District, San Isabel National Forest, Park County, south-central Colorado |
| 1215027 |
peachleaf willow |
Salix amygdaloides |
voucher specimen showing foliage and catkins |
| 1237003 |
Callery pear (Bradford pear) |
Pyrus calleryana |
And fruit |
| 1118311 |
Nuttall oak |
Quercus texana |
Dense plantation |
| 1118312 |
white oak |
Quercus alba |
white oak plantation |
| 1118313 |
oak |
Quercus spp. |
Widely-spaced oak plantation |
| 1118296 |
pecan |
Carya illinoinensis |
Good pecan bole |
| 1118227 |
alder |
Alnus spp. |
Alder along Tultle River came in after Mount St. Helen explosion scoured channel |
| 0808018 |
quaking aspen |
Populus tremuloides |
Understory - fringed brome plant community. Adobe Peak, San Carlos Ranger District, San Isabel National Forest, Custer County, south-central Colorado |
| 0808002 |
quaking aspen |
Populus tremuloides |
understory - Thurber fescue plant community. Pruden Creek, South Park Ranger District, Pike National Forest, Park County, south-central Colorado |
| 1301077 |
American elm |
Ulmus americana |
Street lined with mature, healthy American elm. |
| 1399109 |
aspen/poplar |
Populus spp. |
poplar plantation, Korqin desert region, NE China |
| 1399108 |
elm |
Ulmus spp. |
N.E. China |
| 1396137 |
American elm |
Ulmus americana |
|
| 1397098 |
birch |
Betula spp. |
|
| 1118076 |
black locust |
Robinia pseudoacacia |
|
| 1118070 |
oak |
Quercus spp. |
mixture of oak seedlings in mass seeding |
| 1208081 |
plains cottonwood |
Populus deltoides ssp. monilifera |
foliage and cotton |
| 5433030 |
dogwood |
Cornus spp. |
|
| 5433031 |
dogwood |
Cornus spp. |
|
| 5433032 |
dogwood |
Cornus spp. |
|
| 5433033 |
dogwood |
Cornus spp. |
|
| 1118289 |
cherrybark oak |
Quercus pagoda |
Young stand |
| 1118345 |
cherrybark oak |
Quercus pagoda |
|
| 1462027 |
Gambel oak |
Quercus gambelii |
|
| 1462028 |
Gambel oak |
Quercus gambelii |
Underside of a leaf |
| 1118049 |
quaking aspen |
Populus tremuloides |
Inside fenced area |
| 0016202 |
Chinese tallowtree |
Triadica sebifera |
fruit and waxy coated seeds |
| 0016203 |
black locust |
Robinia pseudoacacia |
|
| 0016034 |
Chinese tallowtree |
Triadica sebifera |
Ripening fruit and waxy coated seeds in September |
| 1442235 |
Gambel oak |
Quercus gambelii |
Typical stand -early spring |
| 1118348 |
cherrybark oak |
Quercus pagoda |
|
| 0808007 |
quaking aspen |
Populus tremuloides |
Understory is aspen peavine community. Mt. Zion Area, Leadville Ranger District, San Isabel National Forest, Lake County, south-central Colorado |
| 1462037 |
Gambel oak |
Quercus gambelii |
|
| 1462032 |
common chokecherry |
Prunus virginiana |
|
| 1462025 |
netleaf hackberry |
Celtis laevigata var. reticulata |
|
| 1462041 |
netleaf hackberry |
Celtis laevigata var. reticulata |
|
| 1462010 |
singleleaf ash |
Fraxinus anomala |
Underside of leaves |
| 1462009 |
netleaf hackberry |
Celtis laevigata var. reticulata |
Underside of a leaf |
| 1462018 |
common chokecherry |
Prunus virginiana |
|
| 1462035 |
western redbud |
Cercis canadensis var. texensis |
underside of a leaf |
| 2307040 |
Chinese tallowtree |
Triadica sebifera |
September |
| 1462021 |
skunkbush sumac |
Rhus trilobata |
|
| 1462011 |
singleleaf ash |
Fraxinus anomala |
|
| 1237006 |
Callery pear (Bradford pear) |
Pyrus calleryana |
|
| 1442238 |
Gambel oak |
Quercus gambelii |
Catkins in spring |
| 1462024 |
netleaf hackberry |
Celtis laevigata var. reticulata |
Underside of a leaf |
| 1118014 |
black willow |
Salix nigra |
|
| 1118298 |
European beech |
Fagus sylvatica |
Crown competition; beech on left & Q. robur on right |
| 0806013 |
common chokecherry |
Prunus virginiana |
Pike and San Isabel National Forests, south-central Colorado |
| 1210030 |
quaking aspen |
Populus tremuloides |
Mature forest in the East Williams area, San Carlos RD, San Isabel NF |
| 1212068 |
quaking aspen |
Populus tremuloides |
Interior view of stand; Plot 77, LaSalle Pass, South Park RD, Pike NF |
| 1462020 |
skunkbush sumac |
Rhus trilobata |
Underside of a leaf |
| 0808006 |
quaking aspen |
Populus tremuloides |
understory - Fendler meadowrue plant community. Marshall Pass Road, Salida Ranger District, San Isabel National Forest, Saguache County, south-central Colorado |
| 1212072 |
quaking aspen |
Populus tremuloides |
Interior view of stand; Plot 5, Adobe Peak, San Carlos RD, San Isabel NF |
| 1118268 |
sweetgum |
Liquidambar styraciflua |
Large sweetgum |
| 1118010 |
pawpaw |
Asimina triloba |
|
| 1212019 |
quaking aspen |
Populus tremuloides |
Desolation watershed; NFJD RD, Umatilla RD, 1998 |
| 1462043 |
netleaf hackberry |
Celtis laevigata var. reticulata |
|
| 1212066 |
quaking aspen |
Populus tremuloides |
Interior view of stand; Plot 61, No Name Gulch, Leadville RD, San Isabel NF |
| 1212076 |
quaking aspen |
Populus tremuloides |
Interior view of stand; Plot 25, Dakan Mountain, South Platte RD, Pike NF |
| 1213053 |
narrowleaf cottonwood |
Populus angustifolia |
Small stand near stream |
| 1213012 |
Gambel oak |
Quercus gambelii |
close-up of fall foliage (red) and acorns |
| 1427044 |
tanoak |
Lithocarpus densiflorus |
|
| 1120550 |
Chinese privet |
Ligustrum sinense |
May. Photo from Forest Plants of the Southeast and Their Wildlife Uses by J.H. Miller and K.V. Miller, published by The University of Georgia Press in cooperation with the Southern Weed Science Society. |
| 1208087 |
serviceberry |
Amelanchier alnifolia |
whole shrub with copious flowers |
| 1208094 |
curl-leaf mountain mahogany |
Cercocarpus ledifolius |
single shrub on rock outcrop |
| 1212064 |
quaking aspen |
Populus tremuloides |
Interior view of stand; Plot 56, Gold Camp Road, Pikes Peak RD, Pike NF |
| 1210024 |
quaking aspen |
Populus tremuloides |
Pure aspen stand with herbaceous undergrowth, Black Mountain, South Park RD, Pike NF |
| 1213001 |
Russian-olive |
Elaeagnus angustifolia |
foliage and flowers |
| 1118294 |
green ash |
Fraxinus pennsylvanica |
Pure green ash in old slough; intense crown competition |
| 0808032 |
quaking aspen |
Populus tremuloides |
understory - Porter ligusticum plant community. Newlin Creek, San Carlos Ranger District, San Isabel National Forest, Fremont County, south-central Colorado |
| 1213055 |
balsam poplar |
Populus balsamifera |
|
| 0808015 |
quaking aspen |
Populus tremuloides |
Understory - Bigelow ligularia plant community. Dakan Mountain, South Platte Ranger District, Pike National Forest, Douglas County, south-central Colorado |
| 1210051 |
plains cottonwood |
Populus deltoides ssp. monilifera |
Plains cottonwood forest along the Arkansas River in south-central Colorado |
| 1212063 |
quaking aspen |
Populus tremuloides |
Interior view of stand; Plot 55, Gold Camp Road, Pikes Peak RD, Pike NF |
| 1207097 |
Gambel oak |
Quercus gambelii |
Gambel oak fall foliage with woolly bear caterpillar on one leaf, Pike NF |
| 1118006 |
cherrybark oak |
Quercus pagoda |
|
| 1215035 |
Siberian peashrub |
Caragana arborescens |
several plants on dry-forest site |
| 5047023 |
willow |
Salix spp. |
Mature willow |
| 0016004 |
tree-of-heaven |
Ailanthus altissima |
immature seeds with leaves on Auburn University campus near the library in July |
| 1208031 |
fivestamen tamarisk |
Tamarix chinensis |
side view of whole plants |
| 1212077 |
quaking aspen |
Populus tremuloides |
Interior view of stand; Plot 27, Rampart Range, South Platte RD, Pike NF |
| 5041012 |
American elm |
Ulmus americana |
An American elm with a snow-covered crown |
| 5041024 |
American elm |
Ulmus americana |
An American elm with a snowy crown |
| 0808017 |
quaking aspen |
Populus tremuloides |
Understory - fringed brome plant community. Adobe Creek, San Carlos Ranger District, San Isabel National Forest, Custer County, south-central Colorado |
| 0808016 |
quaking aspen |
Populus tremuloides |
Indian Creek, San Carlos Ranger District, San Isabel National Forest, Huerfano County, south-central Colorado |
| 0016011 |
mimosa |
Albizia julibrissin |
on stem in June |
| 1215033 |
big sagebrush |
Artemisia tridentata |
single plant in typical habitat |
| 1212078 |
quaking aspen |
Populus tremuloides |
Interior view of stand; Plot 29, Aspen Ridge, Salida RD, San Isabel NF |
| 1208023 |
red elderberry |
Sambucus racemosa |
whole shrubs in typical habitat |
| 1118027 |
water tupelo |
Nyssa aquatica |
|
| 1118029 |
live oak |
Quercus virginiana |
|
| 2307084 |
glossy privet |
Ligustrum lucidum |
October |
| 1208026 |
redosier dogwood |
Cornus sericea ssp. sericea |
large cluster of whole plants |
| 1208022 |
red elderberry |
Sambucus racemosa |
whole shrub with fruit clusters |
| 1210026 |
quaking aspen |
Populus tremuloides |
Dense stand of Thurber fescue associated with an open aspen forest, San Carlos RD, San Isabel NF |
| 0016014 |
mimosa |
Albizia julibrissin |
seed pods in January. Located in east central Alabama. |
| 2307083 |
glossy privet |
Ligustrum lucidum |
June |
| 2307020 |
princesstree |
Paulownia tomentosa |
June |
| 1208058 |
Scouler's willow |
Salix scouleriana |
single shrub growing in typical habitat |
| 2132010 |
Chinese privet |
Ligustrum sinense |
Gyro-trac removing privet. |
| 1213058 |
plains cottonwood |
Populus deltoides ssp. monilifera |
|
| 1400151 |
pawpaw |
Asimina triloba |
|
| 1208068 |
smooth sumac |
Rhus glabra |
hillside shrubs with bright red fall color |
| 1208060 |
blue elderberry |
Sambucus nigra ssp. cerulea |
one shrub growing in typical habitat |
| 1196204 |
European bird cherry |
Prunus padus |
|
| 1208047 |
New Mexico locust |
Robinia neomexicana |
close-up of foliage and one flower cluster |
| 1215001 |
black hawthorn |
Crataegus douglasii |
foliage and one flower cluster |
| 1399103 |
aspen/poplar |
Populus spp. |
Intensive culture of hybrid poplar |
| 1208070 |
smooth sumac |
Rhus glabra |
mass of shrubs with red fruit clusters |
| 1213061 |
plains cottonwood |
Populus deltoides ssp. monilifera |
large cotton accumulation on ground |
| 1462004 |
common chokecherry |
Prunus virginiana |
Underside of a leaf |
| 1196202 |
European bird cherry |
Prunus padus |
|
| 0808011 |
quaking aspen |
Populus tremuloides |
understory - Rocky Mountain maple plant community. South Cottonwood Creek, Salida Ranger District, San Isabel National Forest, Chaffee County, south-central Colorado |
| 1210020 |
eastern cottonwood |
Populus deltoides |
Populus deltoids/Elymus cineruus habitat type, southern Colorado |
| 1208059 |
common elderberry |
Sambucus nigra ssp. canadensis |
close-up of flower cluster |
| 0016036 |
Chinese tallowtree |
Triadica sebifera |
stems and twigs in September |
| 1196200 |
European bird cherry |
Prunus padus |
|
| 1462006 |
common chokecherry |
Prunus virginiana |
|
| 1208057 |
bebb willow |
Salix bebbiana |
foliage and flower spike |
| 1118349 |
cherrybark oak |
Quercus pagoda |
Thinning study 1-yr post tmt 4/00 control |
| 1118069 |
sawtooth oak |
Quercus acutissima |
Young acorns |
| 1118057 |
sweetgum |
Liquidambar styraciflua |
Noxubee NWR |
| 1427043 |
tanoak |
Lithocarpus densiflorus |
|
| 1359090 |
snowbrush ceanothus |
Ceanothus velutinus |
North Fork John Day Ranger District, Umatilla National Forest, northeastern Oregon |
| 1118079 |
Nuttall oak |
Quercus texana |
advanced seedlings |
| 1118091 |
cherrybark oak |
Quercus pagoda |
22 yr old loblolly pine, with abundant Cherrybark oak regeneration, base of loessial hill "Ugly stand" |
| 0016027 |
chinaberry |
Melia azedarach |
mature seeds within the crown in January |
| 1118088 |
red maple |
Acer rubrum |
Sprouting |
| 1118123 |
oak |
Quercus spp. |
Regeneration plantation development, widely-spaced oak afforestation. |
| 0016205 |
mimosa |
Albizia julibrissin |
|
| 1118071 |
post oak |
Quercus stellata |
New seedlings |
| 1118007 |
overcup oak |
Quercus lyrata |
|
| 1462001 |
western redbud |
Cercis canadensis var. texensis |
|
| 1118078 |
Nuttall oak |
Quercus texana |
Advanced seedlings |
| 1208093 |
snowbrush ceanothus |
Ceanothus velutinus |
shrubs with copious flowering |
| 1118087 |
cherrybark oak |
Quercus pagoda |
stump sprout clump |
| 1399102 |
aspen/poplar |
Populus spp. |
|
| 1118297 |
cherrybark oak |
Quercus pagoda |
With shade-tolerant midstory |
| 1208089 |
serviceberry |
Amelanchier alnifolia |
close-up of foliage and fruits |
| 1118065 |
green ash |
Fraxinus pennsylvanica |
Tree that is full of seed |
| 1118344 |
Nuttall oak |
Quercus texana |
Stem analysis |
| 1196203 |
European bird cherry |
Prunus padus |
|
| 1210013 |
aspen/poplar |
Populus spp. |
Small meadow ringed with aspen (yellow fall color), Bear Valley RD, Malheur NF |
| 1208084 |
quaking aspen |
Populus tremuloides |
small tree with catkins in early spring |
| 5423989 |
silver maple |
Acer saccharinum |
mature |
| 1213011 |
Gambel oak |
Quercus gambelii |
arborescent (small-tree) form |
| 1212067 |
quaking aspen |
Populus tremuloides |
Interior view of stand; Plot 73, Cliff Creek, San Carlos RD, San Isabel NF |
| 1212062 |
quaking aspen |
Populus tremuloides |
Interior view of stand; Plot 53, Cucharas Pass, San Carlos RD, San Isabel NF |
| 1210027 |
quaking aspen |
Populus tremuloides |
Wet-site aspen with corn husk lily, cow parsnip, Barbey larkspur and monkshood |
| 1213079 |
pin cherry |
Prunus pensylvanica |
branch with foliage and flowers |
| 1427042 |
tanoak |
Lithocarpus densiflorus |
|
| 1210023 |
quaking aspen |
Populus tremuloides |
Aspen sere succeeding to conifers, Cuchara Ski Area, southern Colorado |
| 1210022 |
quaking aspen |
Populus tremuloides |
Aspen sere succeeding to conifers, Cuchara Ski Area, southern Colorado |
| 1208091 |
mountain big sagebrush |
Artemisia tridentata ssp. vaseyana |
shrub in typical habitat |
| 1208095 |
alderleaf mountain mahogany |
Cercocarpus montanus |
single shrub in typical habitat |
| 1213080 |
pin cherry |
Prunus pensylvanica |
several shrubs covered with white flowers |
| 1213056 |
balsam poplar |
Populus balsamifera |
|
| 0806014 |
common chokecherry |
Prunus virginiana |
Pike and San Isabel National Forests, south-central Colorado |
| 1118300 |
European beech |
Fagus sylvatica |
Beech, Q. robur stand, ~ 150-200 yrs carpinus midstory, little regeneration |
| 1118062 |
water tupelo |
Nyssa aquatica |
seed cache |
| 1462033 |
skunkbush sumac |
Rhus trilobata |
|
| 1396155 |
black walnut |
Juglans nigra |
walnut handling, Wilson Nursery |
| 1442239 |
Gambel oak |
Quercus gambelii |
leaves |
| 0806017 |
New Mexico locust |
Robinia neomexicana |
Pike and San Isabel National Forests, south-central Colorado |
| 0808012 |
quaking aspen |
Populus tremuloides |
Understory - Fendler meadowrue plant community. Bassam Guard Station, Salida Ranger District, San Isabel National Forest, Park County, south-central Colorado. |
| 1359058 |
Sitka alder |
Alnus viridis sinuata |
Planted in wire cages and with shadecards for additional protection; Jarboe Meadow rehabilitation project, Walla Walla Ranger District, Umatilla National Forest, northeastern Oregon |
| 1208021 |
blue elderberry |
Sambucus nigra ssp. cerulea |
close-up of flower clusters |
| 1210025 |
quaking aspen |
Populus tremuloides |
community type, Salida RD, San Isabel NF |
| 1208028 |
redosier dogwood |
Cornus sericea ssp. sericea |
close-up of foliage and one flower cluster |
| 1212061 |
quaking aspen |
Populus tremuloides |
Interior view of stand; Plot 44, Pole Creek, South Park RD, Pike NF |
| 1213054 |
narrowleaf cottonwood |
Populus angustifolia |
|
| 1377004 |
yellow birch |
Betula alleghaniensis |
|
| 1208069 |
smooth sumac |
Rhus glabra |
foliage and flower spike |
| 1208024 |
red elderberry |
Sambucus racemosa |
close-up of foliage and one flower cluster |
| 1214008 |
Greene's mountain ash |
Sorbus scopulina |
foliage and one flower cluster |
| 1375334 |
quaking aspen |
Populus tremuloides |
|
| 1375336 |
quaking aspen |
Populus tremuloides |
fall foliage |
| 1375178 |
common chokecherry |
Prunus virginiana |
|
| 1375049 |
bitter cherry |
Prunus emarginata |
|
| 1214092 |
water birch |
Betula fontinalis |
catkins and foliage in early spring |
| 1212079 |
quaking aspen |
Populus tremuloides |
Interior view of stand; Plot 34, Middle Cottonwood Creek, Salida RD, San Isabel NF |
| 1359089 |
snowbrush ceanothus |
Ceanothus velutinus |
In typical habitat and with typical growth form; North Fork John Day Ranger District, Umatilla National Forest, northeastern Oregon |
| 1208096 |
alderleaf mountain mahogany |
Cercocarpus montanus |
close-up of foliage |
| 1208088 |
serviceberry |
Amelanchier alnifolia |
close-up of foliage and flowers |
| 1208056 |
bebb willow |
Salix bebbiana |
mass of shrubs in typical habitat |
| 1212069 |
quaking aspen |
Populus tremuloides |
Interior view of stand; Plot 80, Stoney Pass, South Platte RD, Pike NF |
| 1212080 |
quaking aspen |
Populus tremuloides |
Interior view of stand; Plot 35, Mushroom Gulch, Salida RD, San Isabel NF |
| 1214030 |
snowbrush ceanothus |
Ceanothus velutinus |
foliage and flowers |
| 5424032 |
osage-orange |
Maclura pomifera |
mature |
| 5424057 |
swamp chestnut oak |
Quercus michauxii |
immature |
| 5423991 |
Ohio buckeye |
Aesculus glabra |
mature |
| 5423996 |
devil's walkingstick |
Aralia spinosa |
mature |
| 5423968 |
littleleaf linden |
Tilia cordata |
|
| 5423997 |
eastern baccharis |
Baccharis halimifolia |
mature |
| 5424002 |
bitternut hickory |
Carya cordiformis |
mature |
| 5424007 |
sugarberry |
Celtis laevigata |
mature |
| 5423994 |
mimosa |
Albizia julibrissin |
mature/immature |
| 5424003 |
pignut hickory |
Carya glabra |
mature |
| 5423970 |
winged elm |
Ulmus alata |
mature |
| 5423972 |
Chinese elm |
Ulmus parvifolia |
mature |
| 5423992 |
red buckeye |
Aesculus pavia |
|
| 5423993 |
red buckeye |
Aesculus pavia |
mature |
| 5424005 |
shagbark hickory |
Carya ovata |
mature |
| 5423964 |
common elderberry |
Sambucus nigra ssp. canadensis |
mature |
| 5423988 |
red maple |
Acer rubrum |
mature |
| 5423983 |
Japanese maple |
Acer palmatum |
mature |
| 5424004 |
pecan |
Carya illinoinensis |
mature |
| 5424006 |
southern catalpa |
Catalpa bignonioides |
mature |
| 5423971 |
American elm |
Ulmus americana |
mature |
| 5423995 |
hazel alder |
Alnus serrulata |
mature |
| 5423998 |
river birch |
Betula nigra |
mature |
| 5424001 |
American hornbeam |
Carpinus caroliniana |
mature |
| 5424008 |
buttonbush |
Cephalanthus occidentalis |
|
| 5424009 |
buttonbush |
Cephalanthus occidentalis |
mature |
| 5424010 |
eastern redbud |
Cercis canadensis |
mature |
| 5424011 |
Kentucky yellowwood |
Cladrastis kentukea |
mature |
| 5423969 |
Chinese tallowtree |
Triadica sebifera |
mature |
| 5423987 |
boxelder |
Acer negundo |
mature |
| 5424020 |
Carolina buckthorn |
Frangula caroliniana |
mature |
| 5424021 |
white ash |
Fraxinus americana |
immature |
| 5424034 |
bigleaf magnolia |
Magnolia macrophylla |
mature |
| 5424037 |
southern waxmyrtle |
Morella cerifera |
mature |
| 5424040 |
hophornbeam |
Ostrya virginiana |
mature |
| 5424043 |
redbay |
Persea borbonia |
mature |
| 5424047 |
eastern cottonwood |
Populus deltoides |
mature |
| 5424048 |
Chickasaw plum |
Prunus angustifolia |
mature |
| 5424061 |
willow oak |
Quercus phellos |
mature |
| 5424013 |
flowering dogwood |
Cornus florida |
mature |
| 5424027 |
yaupon |
Ilex vomitoria |
mature |
| 5424039 |
blackgum |
Nyssa sylvatica |
mature |
| 5424058 |
chinkapin oak |
Quercus muehlenbergii |
mature |
| 5424019 |
Chinese parasoltree |
Firmiana simplex |
mature |
| 5424022 |
green ash |
Fraxinus pennsylvanica |
mature/immature |
| 5424029 |
goldenrain tree |
Koelreuteria paniculata |
mature |
| 5424033 |
southern magnolia |
Magnolia grandiflora |
mature |
| 5424041 |
sourwood |
Oxydendrum arboreum |
mature |
| 5424042 |
princesstree |
Paulownia tomentosa |
mature |
| 5424018 |
American beech |
Fagus grandifolia |
mature |
| 5424045 |
American sycamore |
Platanus occidentalis |
mature |
| 5424046 |
trifoliate orange |
Poncirus trifoliata |
mature |
| 5424053 |
southern red oak |
Quercus falcata |
mature |
| 5424023 |
ginkgo |
Ginkgo biloba |
mature |
| 5424024 |
honeylocust |
Gleditsia triacanthos |
mature |
| 5424025 |
possumhaw |
Ilex decidua |
mature |
| 5424038 |
red mulberry |
Morus rubra |
immature |
| 5424051 |
white oak |
Quercus alba |
mature |
| 5424059 |
water oak |
Quercus nigra |
mature |
| 5424026 |
American holly |
Ilex opaca |
mature |
| 5424028 |
black walnut |
Juglans nigra |
mature |
| 5424031 |
yellow-poplar |
Liriodendron tulipifera |
almost mature |
| 5424035 |
sweetbay |
Magnolia virginiana |
mature |
| 5424050 |
sawtooth oak |
Quercus acutissima |
mature |
| 5424054 |
overcup oak |
Quercus lyrata |
mature |
| 5424055 |
bur oak |
Quercus macrocarpa |
mature |
| 5424012 |
roughleaf dogwood |
Cornus drummondii |
mature |
| 5424014 |
parsley hawthorn |
Crataegus marshallii |
mature |
| 5424015 |
common persimmon |
Diospyros virginiana |
mature |
| 5424030 |
sweetgum |
Liquidambar styraciflua |
mature |
| 5424052 |
scarlet oak |
Quercus coccinea |
mature |
| 5424062 |
Shumard oak |
Quercus shumardii |
mature |
| 5424049 |
black cherry |
Prunus serotina |
mature |
| 5424056 |
blackjack oak |
Quercus marilandica |
mature |
| 5424060 |
cherrybark oak |
Quercus pagoda |
mature |
| 5424036 |
chinaberry |
Melia azedarach |
immature |
| 5424066 |
live oak |
Quercus virginiana |
mature |
| 5424070 |
black locust |
Robinia pseudoacacia |
mature |
| 5424064 |
post oak |
Quercus stellata |
mature |
| 5424063 |
bastard oak |
Quercus sinuata |
mature |
| 5424065 |
Nuttall oak |
Quercus texana |
mature |
| 5424068 |
smooth sumac |
Rhus glabra |
mature |
| 5424073 |
black willow |
Salix nigra |
immature |
| 5424074 |
black willow |
Salix nigra |
mature |
| 5045011 |
eastern cottonwood |
Populus deltoides |
Large branches and trees that failed during a windstorm |
| 5039024 |
Pacific madrone |
Arbutus menziesii |
Leaves and fruits of Pacific madrone, with an unidentified leaf blotch |
| 5045041 |
Pacific madrone |
Arbutus menziesii |
Flowers of Pacific madrone |
| 5045046 |
Pacific madrone |
Arbutus menziesii |
Pacific madrone twigs and foliage |
| 5045042 |
Pacific madrone |
Arbutus menziesii |
Leaves of Pacific madrone |
| 5045045 |
Pacific madrone |
Arbutus menziesii |
Pacific madrone |
| 5055069 |
Pacific madrone |
Arbutus menziesii |
Pacific madrone |
| 5253090 |
miconia |
Miconia calvescens |
Miconia invasive seed in Hawaii |
| 5253091 |
miconia |
Miconia calvescens |
Miconia calvescens foliage. Invasive weed. |
| 0016025 |
chinaberry |
Melia azedarach |
Flowers with mature fruit from previous season in May |
| 5421963 |
tungoil tree |
Vernicia fordii |
|
| 5421958 |
paper-mulberry |
Broussonetia papyrifera |
|
| 5421957 |
paper-mulberry |
Broussonetia papyrifera |
In July |
| 5421925 |
Chinese parasoltree |
Firmiana simplex |
In June |
| 5039011 |
Norway maple |
Acer platanoides |
A large urban tree with interesting architecture, in dormant season |
| 5038082 |
green ash |
Fraxinus pennsylvanica |
Helathy open-grown green ash |
| 5045012 |
bur oak |
Quercus macrocarpa |
Large horizontal branch development in bur oak |
| 5055032 |
littleleaf linden |
Tilia cordata |
Flowers of European linden. |
| 5045024 |
littleleaf linden |
Tilia cordata |
Fruits of European linden. |
| 5045025 |
littleleaf linden |
Tilia cordata |
Emerging foliage of European linden. |
| 5045076 |
northern red oak |
Quercus rubra |
Male catkins of red oak |
| 5045097 |
northern pin oak |
Quercus ellipsoidalis |
Form of a pin oak |
| 5038066 |
American elm |
Ulmus americana |
An elm-lined street in St. Paul, MN, before most of the trees were killed by Dutch elm disease. |
| 5038067 |
American elm |
Ulmus americana |
An elm-lined street in St. Paul, MN, before most of the trees were killed by Dutch elm disease. |
| 5038068 |
American elm |
Ulmus americana |
American elm lining a street at the Minnesota State Fairgrounds. |
| 5053047 |
American elm |
Ulmus americana |
An open-grown American elm |
| 5042092 |
paper birch |
Betula papyrifera |
White birch and jack pine (Pinus banksiana) stand |
| 5042093 |
paper birch |
Betula papyrifera |
Birch stand in northeastern Minnesota. |
| 5042094 |
paper birch |
Betula papyrifera |
Birch stand in northeastern Minnesota. |
| 5049043 |
European buckthorn |
Rhamnus cathartica |
Leaves of common buckthorn. |
| 5049044 |
European buckthorn |
Rhamnus cathartica |
Leaves of common buckthorn. |
| 5297089 |
American chestnut |
Castanea dentata |
Collecting chestnut fruits for blight research in Minnesota.; Person in image: Charlie Burnham and Peter Bedker. |
| 5297090 |
American chestnut |
Castanea dentata |
Collecting chestnut fruits for chestnut blight research in Minnesota. Person in image:Peter Bedker |
| 5297091 |
American chestnut |
Castanea dentata |
Collecting chestnut fruits for chestnut blight research in Minnesota. Person in image: Charlie Burnham and Peter Bedker |
| 5297099 |
American chestnut |
Castanea dentata |
Healthy chestnut in a stand infected with chestnut blight. |
| 5298004 |
American chestnut |
Castanea dentata |
Foliage of American chestnut |
| 5298005 |
American chestnut |
Castanea dentata |
American chestnut trees in Wisconsin. |
| 5043099 |
coast live oak |
Quercus agrifolia |
Leaves of coast live oak |
| 5044001 |
American sycamore |
Platanus occidentalis |
Sycamore leaves and fruit. |
| 5034071 |
littleleaf linden |
Tilia cordata |
|
| 5034072 |
littleleaf linden |
Tilia cordata |
|
| 5034073 |
littleleaf linden |
Tilia cordata |
|
| 1407004 |
flowering dogwood |
Cornus florida |
or in a cluster of many small flowers, such as this dogwood blossom. |
| 1407005 |
eucalyptus |
Eucalyptus spp. |
Flowers vary widely in their structure and appearance. This eucalypt blossom has an array of showy male parts but not petals. |
| 1407006 |
oak |
Quercus spp. |
On many trees, male and female parts grow separately. These are catkin, the male flowers of an oak. In some species, female flowers grow on one tree and male flowers on another. |
| 1407010 |
oak |
Quercus spp. |
becomes an oak, drawing energy from the seed for its first spurt of growth. |
| 1407009 |
northern red oak |
Quercus rubra |
An acorn.... |
| 1407019 |
sugar maple |
Acer saccharum |
When their work is done, they fall, |
| 1395027 |
birch |
Betula spp. |
Birch tops for specialty (decorative) markets |
| 1407003 |
yellow-poplar |
Liriodendron tulipifera |
Life begins for a tree when a male and a female cell meet. These cells may occur together in a single flower, |
| 5033021 |
paper birch |
Betula papyrifera |
Young birch stand; A stand of young white birch in northern Minnesota |
| 5033091 |
American elm |
Ulmus americana |
An American elm with a fluted trunk. |
| 0016005 |
tree-of-heaven |
Ailanthus altissima |
Distinctive glands on ears at leaflet bases. |
| 2307007 |
tree-of-heaven |
Ailanthus altissima |
leaf gland in September |
| 2132022 |
Callery pear (Bradford pear) |
Pyrus calleryana |
in flower |
| 2199097 |
melaleuca |
Melaleuca quinquenervia |
Seed capsules. |
| 2145032 |
curl-leaf mountain mahogany |
Cercocarpus ledifolius |
|
| 2132014 |
Chinese privet |
Ligustrum sinense |
Privet removal with gyro-trac |
| 2132011 |
Chinese privet |
Ligustrum sinense |
Area after privet removed with gyro-trac |
| 5035033 |
hazel alder |
Alnus serrulata |
|
| 5035034 |
hazel alder |
Alnus serrulata |
|
| 1473089 |
aspen/poplar |
Populus spp. |
mature stand |
| 5379627 |
tungoil tree |
Vernicia fordii |
October |
| 5379625 |
tungoil tree |
Vernicia fordii |
April |
| 5379626 |
tungoil tree |
Vernicia fordii |
October |
| 5379623 |
tungoil tree |
Vernicia fordii |
April |
| 5379616 |
trifoliate orange |
Poncirus trifoliata |
May |
| 5379612 |
trifoliate orange |
Poncirus trifoliata |
fruit on ground in November |
| 5379613 |
trifoliate orange |
Poncirus trifoliata |
fruit on ground in November |
| 5379611 |
trifoliate orange |
Poncirus trifoliata |
August |
| 5379608 |
trifoliate orange |
Poncirus trifoliata |
immature. August |
| 5379584 |
paper-mulberry |
Broussonetia papyrifera |
November |
| 5379532 |
glossy buckthorn |
Frangula alnus |
|
| 5379515 |
Callery pear (Bradford pear) |
Pyrus calleryana |
November |
| 5379513 |
Callery pear (Bradford pear) |
Pyrus calleryana |
branch with fruit in November |
| 5032099 |
quaking aspen |
Populus tremuloides |
Regenerating aspen stand following clearcut in eastern Minnesota. |
| 5032100 |
quaking aspen |
Populus tremuloides |
Regenerating aspen stand follwing clearcut in Eastern Minnesota. |
| 1473162 |
aspen/poplar |
Populus spp. |
pulp logs |
| 5030036 |
maple |
Acer spp. |
Sugar maple and red maple (Acer saccharum, A. rubrum) on Ottawa National Forest in fall color |
| 5047038 |
white oak |
Quercus alba |
with heavy cabling. Wye Oak, Maryland's State Tree, is one of the largest and oldest living white oaks in the country; fell in June 6, 2002 storm |
| 5047041 |
white oak |
Quercus alba |
trunk. Wye Oak, Maryland's State Tree, is one of the largest and oldest living white oaks in the country; fell in June 6, 2002 storm |
| 1539068 |
tungoil tree |
Vernicia fordii |
leaf scar |
| 5038027 |
aspen/poplar |
Populus spp. |
male flowers |
| 1473006 |
quaking aspen |
Populus tremuloides |
|
| 1473013 |
quaking aspen |
Populus tremuloides |
tree #539 |
| 1473014 |
quaking aspen |
Populus tremuloides |
|
| 1473143 |
aspen/poplar |
Populus spp. |
aspen match splint mill- splint shredder |
| 1473145 |
aspen/poplar |
Populus spp. |
aspen match splint mill- to shaker |
| 1473147 |
aspen/poplar |
Populus spp. |
aspen match splint mill- packing bin |
| 1473194 |
aspen/poplar |
Populus spp. |
Cutover with reproduction; silviculture experiment to see if partical cutting could stimulate sprouting (not seen here) and how much bark injury to residual stems would occur. |
| 1473009 |
aspen/poplar |
Populus spp. |
dying, mature stand |
| 1539075 |
camphortree |
Cinnamomum camphora |
|
| 1539076 |
camphortree |
Cinnamomum camphora |
|
| 1539077 |
camphortree |
Cinnamomum camphora |
|
| 1539078 |
camphortree |
Cinnamomum camphora |
|
| 1539079 |
camphortree |
Cinnamomum camphora |
|
| 1539080 |
camphortree |
Cinnamomum camphora |
|
| 1539073 |
Brazilian peppertree |
Schinus terebinthifolius |
|
| 1539118 |
privet |
Ligustrum spp. |
comparison of Chinese Privet (Ligustrum sinense)(top) and Glossy Privet (Ligustrum lucidum) |
| 1539108 |
paper-mulberry |
Broussonetia papyrifera |
|
| 1539109 |
paper-mulberry |
Broussonetia papyrifera |
|
| 1539110 |
paper-mulberry |
Broussonetia papyrifera |
|
| 1539114 |
mimosa |
Albizia julibrissin |
|
| 1539081 |
Callery pear (Bradford pear) |
Pyrus calleryana |
|
| 1539082 |
Callery pear (Bradford pear) |
Pyrus calleryana |
|
| 1539083 |
Callery pear (Bradford pear) |
Pyrus calleryana |
|
| 1539085 |
Callery pear (Bradford pear) |
Pyrus calleryana |
|
| 1539086 |
Callery pear (Bradford pear) |
Pyrus calleryana |
|
| 1539087 |
Callery pear (Bradford pear) |
Pyrus calleryana |
|
| 1539090 |
Callery pear (Bradford pear) |
Pyrus calleryana |
in flower |
| 1539093 |
Callery pear (Bradford pear) |
Pyrus calleryana |
|
| 1539096 |
trifoliate orange |
Poncirus trifoliata |
|
| 1539097 |
trifoliate orange |
Poncirus trifoliata |
|
| 1539099 |
trifoliate orange |
Poncirus trifoliata |
|
| 1539066 |
tungoil tree |
Vernicia fordii |
|
| 1539067 |
tungoil tree |
Vernicia fordii |
|
| 1539101 |
trifoliate orange |
Poncirus trifoliata |
|
| 1539102 |
trifoliate orange |
Poncirus trifoliata |
|
| 1539069 |
glossy buckthorn |
Frangula alnus |
|
| 1539070 |
glossy buckthorn |
Frangula alnus |
|
| 5031070 |
weeping willow |
Salix babylonica |
|
| 0016227 |
princesstree |
Paulownia tomentosa |
immature fruit cluster and leaves in June |
| 0756088 |
red mangrove |
Rhizophora stylosa |
young plant stilts |
| 0757001 |
red mangrove |
Rhizophora stylosa |
|
| 0757041 |
red mangrove |
Rhizophora stylosa |
mangrove stylosa nursery |
| 0756015 |
red mangrove |
Rhizophora stylosa |
Rhizophora stylosa |
| 0756017 |
red mangrove |
Rhizophora stylosa |
Rhizophora stylosa; stilts |
| 0756018 |
red mangrove |
Rhizophora stylosa |
Rhizophora stylosa; flower |
| 0756019 |
red mangrove |
Rhizophora stylosa |
seedpods |
| 0756020 |
red mangrove |
Rhizophora stylosa |
unknown damage; Rhizophora stylosa |
| 0756025 |
red mangrove |
Rhizophora stylosa |
unknown damage; Rhizophora stylosa |
| 0756026 |
red mangrove |
Rhizophora stylosa |
unknown damage; Rhizophora stylosa |
| 0756052 |
red mangrove |
Rhizophora stylosa |
Rhizophora stylosa |
| 0756055 |
red mangrove |
Rhizophora stylosa |
Rhizophora stylosa |
| 0756057 |
red mangrove |
Rhizophora stylosa |
planted Rhizophora stylosa; restoration |
| 5048064 |
American beech |
Fagus grandifolia |
Healthy bark of American beech |
| 5032094 |
white ash |
Fraxinus americana |
winter buds |
| 5031026 |
northern red oak |
Quercus rubra |
|
| 1521044 |
red maple |
Acer rubrum |
Red maple leaves - fall coloration over wood fence |
| 5031032 |
red maple |
Acer rubrum |
|
| 5031022 |
black cherry |
Prunus serotina |
|
| 5031024 |
bur oak |
Quercus macrocarpa |
|
| 1521005 |
dogwood |
Cornus spp. |
|
| 1519020 |
mimosa |
Albizia julibrissin |
|
| 1506032 |
mesquite |
Prosopis spp. |
Mesquite tree; San Antonio area |
| 5202092 |
alternateleaf dogwood |
Cornus alternifolia |
flowering in a landscape setting |
| 5202093 |
alternateleaf dogwood |
Cornus alternifolia |
Landscape specimen, flowers in late May in MN |
| 5029029 |
northern red oak |
Quercus rubra |
Emerging red oak leaves. |
| 5029030 |
northern red oak |
Quercus rubra |
Emerging leaves of a tree in the red oak group. |
| 5029069 |
maple |
Acer spp. |
Young maple stand. |
| 5029067 |
common hackberry |
Celtis occidentalis |
small tree |
| 5028013 |
paper birch |
Betula papyrifera |
birch stand in northern Minnesota |
| 5028045 |
bur oak |
Quercus macrocarpa |
Nice specimen tree on University of Minnesota campus. |
| 5027099 |
aspen/poplar |
Populus spp. |
fall color |
| 5027072 |
American elm |
Ulmus americana |
in early spring |
| 5035044 |
birch |
Betula spp. |
|
| 1479019 |
butternut |
Juglans cinerea |
|
| 1479020 |
butternut |
Juglans cinerea |
|
| 1479022 |
butternut |
Juglans cinerea |
|
| 3037023 |
American elm |
Ulmus americana |
|
| 1749041 |
flowering dogwood |
Cornus florida |
pink dogwood flowers Biltmore, NC |
| 1749079 |
sourwood |
Oxydendrum arboreum |
fall colors |
| 1749071 |
red maple |
Acer rubrum |
red maple, fall colors |
| 1749075 |
red maple |
Acer rubrum |
red maple - fall colors |
| 1749022 |
Catawba rosebay |
Rhododendron catawbiense |
in bloom
where |
| 1749024 |
dogwood |
Cornus spp. |
|
| 1749028 |
dogwood |
Cornus spp. |
|
| 3035001 |
Catawba rosebay |
Rhododendron catawbiense |
Rhododendron flowers Craggy Gardens, NC |
| 1749042 |
Catawba rosebay |
Rhododendron catawbiense |
Craggy Gardens Ashville, NC |
| 1749044 |
Catawba rosebay |
Rhododendron catawbiense |
Craggy Gardens, NC |
| 1749070 |
Catawba rosebay |
Rhododendron catawbiense |
blooms |
| 1749073 |
Catawba rosebay |
Rhododendron catawbiense |
in bloom |
| 5042053 |
white oak |
Quercus alba |
|
| 5032015 |
sugar maple |
Acer saccharum |
|
| 5032016 |
sugar maple |
Acer saccharum |
abundant regeneration |
| 5036071 |
sugar maple |
Acer saccharum |
|
| 5046078 |
sweet bay |
Laurus nobilis |
sooty mold and leaf symptoms |
| 5035057 |
red maple |
Acer rubrum |
|
| 5035058 |
red maple |
Acer rubrum |
|
| 5045049 |
maple |
Acer spp. |
|
| 5045050 |
maple |
Acer spp. |
|
| 5039026 |
maple |
Acer spp. |
backlit leaves |
| 5045071 |
Norway maple |
Acer platanoides |
|
| 5045073 |
Norway maple |
Acer platanoides |
|
| 5049045 |
bur oak |
Quercus macrocarpa |
|
| 5031023 |
white oak |
Quercus alba |
|
| 5045027 |
tanoak |
Lithocarpus densiflorus |
|
| 5045028 |
tanoak |
Lithocarpus densiflorus |
|
| 5045029 |
tanoak |
Lithocarpus densiflorus |
|
| 5043095 |
coast live oak |
Quercus agrifolia |
|
| 5043097 |
coast live oak |
Quercus agrifolia |
|
| 5043098 |
coast live oak |
Quercus agrifolia |
|
| 5038007 |
bur oak |
Quercus macrocarpa |
|
| 5043043 |
bur oak |
Quercus macrocarpa |
acorns |
| 5043045 |
bur oak |
Quercus macrocarpa |
|
| 5042086 |
sweet bay |
Laurus nobilis |
|
| 5042074 |
American beech |
Fagus grandifolia |
|
| 5042091 |
American beech |
Fagus grandifolia |
beech thicket |
| 5043052 |
California black oak |
Quercus kelloggii |
and leaves |
| 5043053 |
California black oak |
Quercus kelloggii |
|
| 5032070 |
American beech |
Fagus grandifolia |
|
| 5033014 |
yellow birch |
Betula alleghaniensis |
|
| 1396154 |
black walnut |
Juglans nigra |
walnut storage in nursery |
| 2199092 |
melaleuca |
Melaleuca quinquenervia |
Hack and squirt chemical control treatment in Florida Everglades |
| 2199096 |
melaleuca |
Melaleuca quinquenervia |
Hack and squirt chemical control treatment in Florida Everglades |
| 2199098 |
melaleuca |
Melaleuca quinquenervia |
Opened seed capsules |
| 2199099 |
melaleuca |
Melaleuca quinquenervia |
after intense fire |
| 2199100 |
melaleuca |
Melaleuca quinquenervia |
Intense melaleuca fires are dangerous in the wildland-urban interface. Note the heat-singed hedge row next to the apartment complex across the street. |
| 1118373 |
pecan |
Carya illinoinensis |
|
| 1399147 |
dipterocarp |
|
Large stump. |
| 1399124 |
aspen/poplar |
Populus spp. |
|
| 1118350 |
cherrybark oak |
Quercus pagoda |
Thinning study - heavy thin 6/00 |
| 1462030 |
skunkbush sumac |
Rhus trilobata |
|
| 1462013 |
Mexican cliffrose |
Purshia mexicana |
|
| 1237007 |
Callery pear (Bradford pear) |
Pyrus calleryana |
And fruit |
| 1237004 |
Callery pear (Bradford pear) |
Pyrus calleryana |
|
| 1237005 |
Callery pear (Bradford pear) |
Pyrus calleryana |
|
| 2132025 |
Chinese tallowtree |
Triadica sebifera |
Tallow tree, privet, mimosa, and cogongrass infestation |
| 2132012 |
Chinese privet |
Ligustrum sinense |
Area after privet removed with gyro-trac |
| 2132013 |
Chinese privet |
Ligustrum sinense |
Area after privet removed with gyro-trac |
| 1118267 |
overcup oak |
Quercus lyrata |
Regeneration |
| 1399171 |
acacia |
Acacia spp. |
Container production. Java, Indonesia |
| 1399168 |
teak |
Tectona grandis |
Container nursery. Indonesia |
| 1399170 |
acacia |
Acacia spp. |
Container nursery. Java, Indonesia |
| 1399151 |
dipterocarp |
|
Rainforests. Kalimantan, Indonesia |
| 1399105 |
aspen/poplar |
Populus spp. |
Irrigation ditches in hybrid poplar forest, Outer Mongolia, China |
| 1400066 |
honeylocust |
Gleditsia triacanthos |
Fresh thorns |
| 1400119 |
American chestnut |
Castanea dentata |
Emerging leaves in spring |
| 1400117 |
American chestnut |
Castanea dentata |
on hillside above field in spring (before leafout) |
| 1118072 |
post oak |
Quercus stellata |
New seedlings |
| 1118085 |
green ash |
Fraxinus pennsylvanica |
Swamp chestnut oak in background |
| 1118118 |
green ash |
Fraxinus pennsylvanica |
Regeneration mixed planting |
| 1118064 |
northern red oak |
Quercus rubra |
Acorns on ground willow oak uplands |
| 1118066 |
Nuttall oak |
Quercus texana |
|
| 1118067 |
Nuttall oak |
Quercus texana |
acorn in ~13-yr-old regeneration harvest that failed |
| 1118063 |
overcup oak |
Quercus lyrata |
Acorn cache |
| 1118081 |
sugar maple |
Acer saccharum |
Regeneration underneath sugar maple |
| 1118084 |
cherrybark oak |
Quercus pagoda |
Seedling sprout following harvest |
| 1399172 |
acacia |
Acacia spp. |
Containerized seedlings |
| 1399173 |
acacia |
Acacia spp. |
Containerized seedlings, Indonesia |
| 1118060 |
cherrybark oak |
Quercus pagoda |
Twig loaded w/acorns |
| 1118009 |
pawpaw |
Asimina triloba |
And fruit |
| 1118023 |
red alder |
Alnus rubra |
Along Turle River came in after Mt. St. Helen washout |
| 1118022 |
northern red oak |
Quercus rubra |
Ozark hardwoods good site. Ozark Nat. Forest |
| 1359057 |
Sitka alder |
Alnus viridis sinuata |
Seedlings and shrubs planted in wire cages and with shadecards for additional protection; Jarboe Meadow rehabilitation project, Walla Walla Ranger Dis-trict, Umatilla National Forest, northeastern Oregon |
| 0808003 |
quaking aspen |
Populus tremuloides |
understory - gooseberry currant plant community. Cross Creek, South Park Ranger District, Pike National Forest, Park County, south-central Colorado |
| 0808005 |
quaking aspen |
Populus tremuloides |
Understory - bluejoint reedgrass plant community. Upper Turkey Creek, South Park Ranger District, Pike National Forest, Teller County, south-central Colorado |
| 0808001 |
quaking aspen |
Populus tremuloides |
Understory - mountain snowberry. Willow Creek, South Park Ranger District, Pike National Forest, Park County, south-central Colorado |
| 0808008 |
quaking aspen |
Populus tremuloides |
understory - bearberry honeysuckle plant community. Lost Canyon, Leadville Ranger District, San Isabel National Forest, Lake County, south-central Colorado |
| 0808010 |
quaking aspen |
Populus tremuloides |
understory - Fendler meadowrue plant community. North Cottonwood Creek, Salida Ranger District, San Isabel National Forest, Chaffee County, south-central Colorado |
| 0808014 |
quaking aspen |
Populus tremuloides |
Understory - dwarf blueberry plant community. Rampart Range, South Platte Ranger District, Pike National Forest, Douglas County, south-central Colorado |
| 0808019 |
aspen/poplar |
Populus spp. |
Jarboe Meadow, Walla Walla Ranger District, Umatilla National Forest, northeastern Oregon |
| 0806039 |
aspen/poplar |
Populus spp. |
Wet aspen type with cornhusk lily (Veratrum tenuipetalum), cow parsnip (Heracleum sphondylium), and Barbey larkspur (Delphinium barbeyi); San Carlos Ranger District, San Isabel National Forest, south-central Colorado. |
| 0806082 |
quaking aspen |
Populus tremuloides |
Quaking aspen/Kentucky bluegrass (Populus tremuloides/Poa pratensis) community type; Upper Eagle Creek, South Platte Ranger District, Pike National Forest, Douglas County, south-central Colorado |
| 1212070 |
quaking aspen |
Populus tremuloides |
Interior view of stand; Plot 83, South Cottonwood Creek, Salida RD, San Isabel NF |
| 1212071 |
quaking aspen |
Populus tremuloides |
Interior view of stand; Plot 4, Bear Gulch, San Carlos RD, San Isabel NF |
| 1212075 |
quaking aspen |
Populus tremuloides |
Interior view of stand; Plot 19, Dakan Mountain, South Platte RD, Pike NF |
| 1212065 |
quaking aspen |
Populus tremuloides |
Interior view of stand; Plot 57, Silver Creek, Salida RD, San Isabel NF |
| 1213059 |
plains cottonwood |
Populus deltoides ssp. monilifera |
developing female catkins |
| 1210050 |
plains cottonwood |
Populus deltoides ssp. monilifera |
Russian olive and plains cottonwood growing along the Arkansas River |
| 1210028 |
quaking aspen |
Populus tremuloides |
Clearcut in quaking aspen/kinnikinnick (Arctostaphylos uva-ursi) community type, Clark Spring area, South Park Ranger District |
| 1210055 |
quaking aspen |
Populus tremuloides |
Aspen sere succeeding to conifers, Pikes Peak, Pikes Peak RD, Pike NF |
| 1208100 |
beaked hazelnut |
Corylus cornuta |
foliage and fruits |
| 1208032 |
fivestamen tamarisk |
Tamarix chinensis |
close-up of foliage and flowers |
| 1442260 |
aspen/poplar |
Populus spp. |
damage near campground table. Cottonwood Lake, Colorado |
| 0976014 |
mountain mahagony |
Cercocarpus spp. |
shrubland dominated by mountain mahogany at Long Creek Ranger District |
| 0016064 |
Chinese privet |
Ligustrum sinense |
under a dormant hardwood stand in April |
| 0016228 |
princesstree |
Paulownia tomentosa |
mature capsules splitting to release tiny winged seeds |
| 0016057 |
Chinese privet |
Ligustrum sinense |
in May |
| 1307009 |
leadtree |
Leucaena spp. |
inspecting planting of leucaeana resistant to Leucaena psyllid at ICRAF research station in east Africa |
| 1307010 |
mangrove |
Rhizophora spp. |
Cossidae borer damage in Kenya, Africa |
| 1307012 |
leadtree |
Leucaena spp. |
row planted in 1978, untreated for Leucaena psyllid in Morogoro, Tanzania, Africa |
| 1307014 |
mangrove |
Rhizophora spp. |
attack by a Buprestid borer in Kenya, Africa |
