Pando is an ancient quaking aspen tree (Populus tremuloides ... to 40 blue whales or three times the world's largest single-stem tree — California's General Sherman giant sequoia (Sequoiadendron ...

Young aspens often don't survive because of factors such as grazing elk, according to a study by Northern Arizona University researchers.

JT Thomas It's a relentlessly sunny day in the Rocky Mountains, and here at 9,000 feet, on the Grand Mesa in western Colorado, the aspen trees should be casting a shadow. But something is wrong in ...

A single clone may exhibit multiple colors ... 2008). The ability of aspen to produce whole stands of "trees" vegetatively provides yet another key element in explaining the species’ ability ...

But not all trees follow that formula. Some form what are called clonal groves: swaths of forest connected underground by a single network ... a grove of quaking aspen in Utah's Fishlake National ...