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, and there between the buildings and the cars was a gorgeous aspen tree ...

Populus tremuloides, the quaking ... of aspen clones stand out most visibly and reliably. However, most aspen watchers tend to focus on the brilliant colors of aspen in the late fall prior to ...

In the Wasatch Mountains in the western United States, there is Pando, a 43-hectare quaking aspen grove considered the ...