Aspen trees are found mainly in Northeastern United States, the Lake States, northward into Canada, and in the Rockies from New Mexico north into Alberta. In fact, aspen is the most widespread ...

The vast majority of Alberta’s tree canopy lacks the rosy foliage of Ontario’s oak and maple trees. While stunning in their own right, the canopies of the aspen, elm and ash trees common to ...

I hear the terms used interchangeably. Answer: Popple (or poplar) are common names for aspen trees because their genus is populus, but many trees are in that genus. In Minnesota we have two native ...

FLAGSTAFF — Beneath the scenic yellow and red leaves of soaring aspen trees in the Kachina Wilderness, forest ecologist Mike Stoddard is looking down. His concern isn’t the brilliant fall ...

Starting in the late 1800's, sheepherders, many of from the Basque region of Northern Spain, carved basic messages or elaborate images into the bark of aspen trees in this area. Now the trees are ...

A new decade-long study by University of Wisconsin researchers reveals how aspen trees can change their genetic structure to compete for sunlight and defend themselves against pests like ants, moths ...

John Bieter receives funding from the National Historical Publications and Records Commission. In 2023, the research group Lertxun-marrak/The Arborglyph Collaborative of which the author is part ...

A quaking aspen tree, Pando aspen, in Fishlake National Forest, Utah. The trees are part of a single organism, called a clonal body. Photograph by Diane Cook and Len Jenshel, National Geographic ...