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 the most extensive known clonal colony of quaking aspen (Populus tremuloides), originating from a single seedling. Weighing an estimated 6,000 tons—roughly the same as 40 blue whales ...

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 ...