This asexual process is called suckering. Clonal structure of a large stand of aspen can be detected by noticing differences in bark color, variation in the angle that branches join the trunk, leaf ...

The bigtooth aspen (Populus grandidentata) is a close relative of the much more widespread quaking aspen (P. tremuloides). Both species are referred to as pioneer species, because of their ability ...

Although individual quaking aspen trees usually live for about 50 to 60 years, and sometimes up to 150 years, the entire clone can live for tens of thousands of years.

Sept. 21 -- A gentle breeze wafting across the American West sends the heart-shaped leaves of the quaking aspen into a frenzy, filling the forest with a gentle roar as they whisper the sounds of ...

When I think of a "cheery" tree, I think of quaking aspens. Why cheery you might ask? While there are no leaves this time of year, find one in the spring and shake a branch… the leaves tremble ...

The leaves of disease-resistant Prairie Gold quaking aspen turn a beautiful golden-yellow in autumn. Once upon a time I lived in the mountains of central New Mexico. A favorite autumn adventure ...

This is our celebrated tree of fall, the quaking aspen so named for those leaves that flicker in the breeze, twinkle in the sun and stir our souls. Maybe you didn't know that about the name ...

You'll spot them in an iconic Colorado town with front-row views of the mountains, throughout most of New England, and even ...

Scientists and volunteers joined forces to weed and tag quaking aspen trees. Their research on the impacts of drought could guide restoration efforts.

Looking for relief from the sun? These seven fast-growing shade trees are perfect for creating a cooler, more comfortable backyard in a short time.