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, an enormous quaking aspen that spans more than 100 acres (40 hectares) in Utah, is not only one of the largest known ...

In North America, the closely related quaking aspen (Populus tremuloides ... with over 40,000 separate trunks all growing off the same root system. Known as ‘Pando’ (from the Latin for ...