Despite the trees' resilience and speedy recovery, researchers found a decline in young aspens reaching ... and take in the vibrant fall colors of the aspen trees. Discover Flagstaff, the city ...

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 ...

However, aspen also has the ability to send up new young shoots, or suckers, off the root system of an established tree, sometimes up to 30 metres away, if the tree is large. These suckers are ...