is the most widespread tree species in North America. As a keystone species, aspen provides food and shelter for many forest ...

Pando is an ancient quaking aspen tree (Populus tremuloides ... since confirmed that what looks to the untrained eye like a forest is actually one giant clone, according to the U.S. Forest ...

The Forest Service employees surveyed 296 sites across 353,016 acres of Aspen-Sopris Ranger District land over 77 field days. They randomly selected survey sites and found 138 dams and 16 lodges ...

V. Phenotypic variation of trembling aspen of western North America. Forest Science 21, 319-328 (1976). Berveiller, D. & Damesin, D. Interspecific variability of stem photosynthesis among tree ...

It appeared that the aspen trees had stopped regenerating around ... and cottonwood recovery in Yellowstone National Park. Forest Ecology and Management, 184, 299-313.

Aspen, beech, and birch sap seen as small niche, but could have potential for new revenue streams for maple producers.