What caught my eye was the bark- it was clearly green almost luminous against the swirling snow and gray mountains. I’m pretty sure this was a quaking aspen (Populus tremuloides) or as many of ...

Turns out, quaking aspen (Populus tremuloides) is actually the most widely distributed tree species in North America. It’s native to all but a few of the 49 continental states, the exceptions ...

Aspen forest is reclaiming the skyline of Yellowstone National Park after decades of controversy over efforts to return ...

Quaking aspen is found south in Mexico, north in Canada, and much of the United States in between. Among the states, a U.S. Forest Service report notes aspen density is greatest in Colorado ...

The apex predators, restored to the park in 1995, appear to be keeping the local population of plant-eating elk in check, ...

In this episode of ID That Tree, Purdue Extension forester Lenny Farlee introduces the Quaking Aspen. This species is found in the North Woods of Northern Wisconsin, Northern Indiana, and the Upper ...

In the spring, they burst with nearly iridescent green among the mossy tinge of the evergreens. The leaves swish in the breeze because the broad leaf of the aspen is suspended on a tenuous support.

Quaking aspens are a beautiful part of Colorado’s tree mosaic, but they are more than just that, they are an incredibly well-adapted organism that can survive even here in Eagle County. So next time ...

The quaking aspen leaf is roundish and somewhat heart-shaped, with a fine-toothed edge that is barely perceptible. The leaves are 1-3 inches long.