| 5492742 |
Tree(s) |
early spring |
| 5492747 |
Tree(s) |
|
| 5492748 |
Tree(s) |
|
| 5492743 |
Tree(s) |
early spring |
| 5492744 |
Tree(s) |
early spring |
| 5468233 |
Sapling(s) |
Young, high density aspen stand. This type of density is common following a commercial clearcut in northern WI. |
| 5468238 |
Tree(s) |
Older quaking aspen with a conifer understory of balsam fir and white cedar. Photo was taken in northeast Minnesota. |
| 5468232 |
Sapling(s) |
young sucker stand of quaking aspen |
| 5468240 |
Tree(s) |
Mature aspen stand, northern Minnesota |
| 5468229 |
Stand |
|
| 5468239 |
Tree(s) |
mature aspen |
| 5468144 |
Twig(s)/Shoot(s) |
trembling aspen buds beginning to bloom |
| 5468237 |
Sapling(s) |
|
| 5468236 |
Sapling(s) |
|
| 5468234 |
Sapling(s) |
|
| 5468235 |
Sapling(s) |
|
| 5468230 |
Stand |
|
| 5468228 |
Stand |
|
| 5468226 |
Stand |
|
| 5468227 |
Stand |
|
| 5468231 |
Stand |
|
| 5468224 |
Tree(s) |
|
| 5468225 |
Tree(s) |
|
| 5468111 |
Tree(s) |
Trembling aspen silhouette |
| 5468112 |
Bark |
Bark of a trembling aspen |
| 5468122 |
Twig(s)/Shoot(s) |
buds and twig of a trembling aspen |
| 5468160 |
Twig(s)/Shoot(s) |
buds and twig of a trembling aspen |
| 5468518 |
Bark |
trembling aspen, Populus tremuloides |
| 5468519 |
Twig(s)/Shoot(s) |
trembling aspen, Populus tremuloides |
| 5459332 |
Twig(s)/Shoot(s) |
trembling apsen (Populus tremuloides) winter twig showing vegetative buds (smaller buds) and flower buds (larger buds) |
| 1212074 |
Stand |
Interior view of stand; Plot 18, Upper Missouri Gulch, Pikes Peak RD, Pike NF |
| 0808013 |
Stand |
Understory - silvertop sedge plant community. Coons Park, Salida Ranger District, San Isabel National Forest, Park County, south-central Colorado |
| 1359014 |
Tree(s) |
This is the national champion quaking aspen; 42.4? diameter, 113' in height), Walla Walla Ranger District, Umatilla National Forest, northeastern Oregon |
| 0808018 |
Stand |
Understory - fringed brome plant community. Adobe Peak, San Carlos Ranger District, San Isabel National Forest, Custer County, south-central Colorado |
| 0808002 |
Stand |
understory - Thurber fescue plant community. Pruden Creek, South Park Ranger District, Pike National Forest, Park County, south-central Colorado |
| 5001057 |
Foliage |
|
| 1118049 |
Stand |
Inside fenced area |
| 0808007 |
Stand |
Understory is aspen peavine community. Mt. Zion Area, Leadville Ranger District, San Isabel National Forest, Lake County, south-central Colorado |
| 0806040 |
Stand |
Quaking aspen/bracken community type; Cuchara Valley Ski Area, Huerfano County, south-central Colorado |
| 0008022 |
Bark |
|
| 1208082 |
Tree(s) |
large-diameter tree with wolfy growth form |
| 1208083 |
Tree(s) |
live tree with cavity hole in bole |
| 1210030 |
Stand |
Mature forest in the East Williams area, San Carlos RD, San Isabel NF |
| 1210029 |
Stand |
stand containing some mixture of Rocky Mountain juniper |
| 1212068 |
Stand |
Interior view of stand; Plot 77, LaSalle Pass, South Park RD, Pike NF |
| 5001056 |
Plant(s) |
|
| 0808006 |
Stand |
understory - Fendler meadowrue plant community. Marshall Pass Road, Salida Ranger District, San Isabel National Forest, Saguache County, south-central Colorado |
| 1212072 |
Stand |
Interior view of stand; Plot 5, Adobe Peak, San Carlos RD, San Isabel NF |
| 1212019 |
Stand |
Desolation watershed; NFJD RD, Umatilla RD, 1998 |
| 1212066 |
Stand |
Interior view of stand; Plot 61, No Name Gulch, Leadville RD, San Isabel NF |
| 1212076 |
Stand |
Interior view of stand; Plot 25, Dakan Mountain, South Platte RD, Pike NF |
| 5001058 |
Stand |
|
| 1212064 |
Stand |
Interior view of stand; Plot 56, Gold Camp Road, Pikes Peak RD, Pike NF |
| 1210024 |
Stand |
Pure aspen stand with herbaceous undergrowth, Black Mountain, South Park RD, Pike NF |
| 1124024 |
Stand |
|
| 0808032 |
Stand |
understory - Porter ligusticum plant community. Newlin Creek, San Carlos Ranger District, San Isabel National Forest, Fremont County, south-central Colorado |
| 0808015 |
Stand |
Understory - Bigelow ligularia plant community. Dakan Mountain, South Platte Ranger District, Pike National Forest, Douglas County, south-central Colorado |
| 1212063 |
Stand |
Interior view of stand; Plot 55, Gold Camp Road, Pikes Peak RD, Pike NF |
| 1437132 |
Stand |
|
| 0806056 |
Bark |
Yellow bark clonal characteristic; Pike and San Isabel National Forests, south-central Colorado |
| 5001059 |
Foliage |
|
| 1212077 |
Stand |
Interior view of stand; Plot 27, Rampart Range, South Platte RD, Pike NF |
| 0808017 |
Stand |
Understory - fringed brome plant community. Adobe Creek, San Carlos Ranger District, San Isabel National Forest, Custer County, south-central Colorado |
| 0808016 |
Stand |
Indian Creek, San Carlos Ranger District, San Isabel National Forest, Huerfano County, south-central Colorado |
| 1212078 |
Stand |
Interior view of stand; Plot 29, Aspen Ridge, Salida RD, San Isabel NF |
| 1459012 |
Tree(s) |
|
| 5001060 |
Bark |
|
| 1210026 |
Stand |
Dense stand of Thurber fescue associated with an open aspen forest, San Carlos RD, San Isabel NF |
| 0008019 |
Bark |
|
| 0008058 |
Flower(s) |
|
| 1353213 |
Stand |
|
| 0808011 |
Stand |
understory - Rocky Mountain maple plant community. South Cottonwood Creek, Salida Ranger District, San Isabel National Forest, Chaffee County, south-central Colorado |
| 0008057 |
Flower(s) |
|
| 0008059 |
Flower(s) |
|
| 1241060 |
Stand |
Caribou National Forest, Idaho near the Idaho/Utah border. Egan Basin topographic quadrangle. |
| 0806057 |
Bark |
White/green bark clonal characteristic; Pike and San Isabel National Forests, south-central Colorado |
| 0008295 |
Foliage |
|
| 0008294 |
Foliage |
|
| 1208084 |
Flower(s) |
small tree with catkins in early spring |
| 1212067 |
Stand |
Interior view of stand; Plot 73, Cliff Creek, San Carlos RD, San Isabel NF |
| 1212062 |
Stand |
Interior view of stand; Plot 53, Cucharas Pass, San Carlos RD, San Isabel NF |
| 1210027 |
Site |
Wet-site aspen with corn husk lily, cow parsnip, Barbey larkspur and monkshood |
| 1210023 |
Development |
Aspen sere succeeding to conifers, Cuchara Ski Area, southern Colorado |
| 1210022 |
Development |
Aspen sere succeeding to conifers, Cuchara Ski Area, southern Colorado |
| 1212018 |
Stand |
View of mature clone in Sugarbowl aspen enclosure, NFJD RD, Umatilla NF, 1994 |
| 0808012 |
Stand |
Understory - Fendler meadowrue plant community. Bassam Guard Station, Salida Ranger District, San Isabel National Forest, Park County, south-central Colorado. |
| 1212073 |
Stand |
Interior view of stand; Plot 7, Bergen Rocks, South Platte RD, Pike NF |
| 1210025 |
Stand |
community type, Salida RD, San Isabel NF |
| 1212061 |
Stand |
Interior view of stand; Plot 44, Pole Creek, South Park RD, Pike NF |
| 1375347 |
Tree(s) |
|
| 1375348 |
Bark |
|
| 1375345 |
Tree(s) |
|
| 1375342 |
Tree(s) |
fall foliage |
| 1375340 |
Tree(s) |
|
| 1375341 |
Tree(s) |
|
| 1375328 |
Tree(s) |
fall foliage |
| 1375331 |
Stand |
|
| 1375334 |
Stand |
|
| 1375336 |
Foliage |
fall foliage |
| 1375327 |
Tree(s) |
|
| 1375337 |
Stand |
fall foliage |
| 1212079 |
Stand |
Interior view of stand; Plot 34, Middle Cottonwood Creek, Salida RD, San Isabel NF |
| 1212069 |
Stand |
Interior view of stand; Plot 80, Stoney Pass, South Platte RD, Pike NF |
| 1375186 |
Foliage |
fall foliage |
| 1212080 |
Stand |
Interior view of stand; Plot 35, Mushroom Gulch, Salida RD, San Isabel NF |
| 1374667 |
Stand |
|
| 5054077 |
Tree(s) |
Dead aspen, recently killed |
| 5389978 |
Foliage |
Foliage and bark |
| 5389980 |
Tree(s) |
|
| 5389981 |
Flower(s) |
|
| 5356403 |
Sampling |
|
| 5356404 |
Tree(s) |
|
| 5188092 |
Twig(s)/Shoot(s) |
Root sprouts after harvest |
| 5189022 |
Stand |
Young stand |
| 5032099 |
Stand |
Regenerating aspen stand following clearcut in eastern Minnesota. |
| 5032100 |
Stand |
Regenerating aspen stand follwing clearcut in Eastern Minnesota. |
| 5361138 |
Foliage |
Aspen foliage in autumn, Rocky Mountain National Park. |
| 5361137 |
Foliage |
Aspen foliage in autumn, Rocky Mountain National Park, Colorado. |
| 5361136 |
Foliage |
Aspen foliage in autumn, Rocky Mountain National Park. |
| 5361135 |
Foliage |
Colorful fallen leaves of aspen - autumn, Rocky Mountain National Park, Colorado. |
| 5361134 |
Foliage |
Water-splattered fallen leaves of aspen - autumn, Rocky Mountain National Park. |
| 5361133 |
Foliage |
Colorful fallen leaves of aspen - autumn, Rocky Mountain National Park. |
| 1473015 |
Stand |
|
| 1473006 |
Symptoms |
|
| 1473013 |
Symptoms |
tree #539 |
| 1473014 |
Stand |
|
| 5349089 |
Bark |
|
| 1480349 |
Tree(s) |
Populus tremuloides; quaking aspen |
| 1480350 |
Tree(s) |
Populus tremuloides; quaking aspen |
| 5202044 |
Stand |
Dense young aspen stand in northern Wisconsin |
| 5202045 |
Tree(s) |
Group of mid-sized quaking aspen |
| 5202046 |
Tree(s) |
Mature aspen stems, photo taken in northern Wisconsin |
| 5027098 |
Tree(s) |
Fall color in trembling aspen |
| 0808008 |
Stand |
understory - bearberry honeysuckle plant community. Lost Canyon, Leadville Ranger District, San Isabel National Forest, Lake County, south-central Colorado |
| 0808010 |
Stand |
understory - Fendler meadowrue plant community. North Cottonwood Creek, Salida Ranger District, San Isabel National Forest, Chaffee County, south-central Colorado |
| 0808001 |
Stand |
Understory - mountain snowberry. Willow Creek, South Park Ranger District, Pike National Forest, Park County, south-central Colorado |
| 0808003 |
Stand |
understory - gooseberry currant plant community. Cross Creek, South Park Ranger District, Pike National Forest, Park County, south-central Colorado |
| 0808005 |
Stand |
Understory - bluejoint reedgrass plant community. Upper Turkey Creek, South Park Ranger District, Pike National Forest, Teller County, south-central Colorado |
| 0808014 |
Stand |
Understory - dwarf blueberry plant community. Rampart Range, South Platte Ranger District, Pike National Forest, Douglas County, south-central Colorado |
| 0806082 |
|
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 |
| 1212075 |
Stand |
Interior view of stand; Plot 19, Dakan Mountain, South Platte RD, Pike NF |
| 1212070 |
Stand |
Interior view of stand; Plot 83, South Cottonwood Creek, Salida RD, San Isabel NF |
| 1212071 |
Stand |
Interior view of stand; Plot 4, Bear Gulch, San Carlos RD, San Isabel NF |
| 1212065 |
Stand |
Interior view of stand; Plot 57, Silver Creek, Salida RD, San Isabel NF |
| 1210055 |
Development |
Aspen sere succeeding to conifers, Pikes Peak, Pikes Peak RD, Pike NF |
| 1210028 |
Cutting Systems |
Clearcut in quaking aspen/kinnikinnick (Arctostaphylos uva-ursi) community type, Clark Spring area, South Park Ranger District |
| 1428118 |
Tree(s) |
at peak of fall coloring. |
| 1428119 |
Tree(s) |
at peak of fall color. |
| 1428120 |
Foliage |
Close-up of aspen leaves at peak of fall color; The red color shown here is somwhat unusual for quaking aspen, which usually turns a bright yellow color. |
| 0008466 |
Feature(s) |
Leaf scars and buds |
| 0008467 |
Feature(s) |
Leaf scars and buds |
