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 ...

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 ...

Denver, Colorado | View on Google Maps From $187 | Book now The new Populus Hotel in downtown ... aspen (known by its scientific name as Populus tremuloides), a tree native to Colorado.