Quaking aspens store chlorophyll beneath their bark (particularly in younger trees), this is what gives the trunk a greenish cast. This helps them to continue to produce sugars, at least when the days ...

Populus tremuloides, the quaking aspen of the North American continent, stands as one of the most easily recognized, most beautiful and most admired of all tree species. In order to help ...

Pando is a quaking aspen tree found in Utah's Fishlake National Forest in Sevier County. Looking at pictures of it, you'd be forgiven for wondering which one among the hundreds of trunks is that ...

A Quaking Aspen tree with green bark in the parking lot at the AMC Highland Center at Crawford Notch. When I think of a "cheery" tree, I think of quaking aspens. Why cheery you might ask?