I was up in the White Mountains this weekend, walking out to my car in the AMC’s Highland Center parking lot after a hike, ...

I’m pretty sure this was a quaking aspen (Populus tremuloides ... find one in the spring and shake a branch…the leaves tremble and quake…hence the name. This is due to a flattened petiole ...

Quaking aspen can be found from Alaska to Mexico and ... each with its own trunk, branches, leaves and a shared root system (Figure 2). All of these structures arose from a single aspen seed ...

Here, this lone male quaking aspen (Populus tremuloides ... placed a hydrophone inside a hollow at the base of a branch and threaded it down to the tree's roots, not expecting to hear much.