Most aspen clones in North America are much smaller, with those in the western United States typically covering only about 1 ...

Pando is an ancient quaking aspen tree (Populus tremuloides ... But according to a 2018 study, aerial images taken of Pando over a period of 72 years show stark signs of decline, including ...

Populus tremuloides, the quaking aspen of the North American continent ... Whatever its age, Pando certainly represents one of the most remarkable individuals among all living organisms.