also known as the "quaking aspen") is a native North American tree with smooth, white bark. Its name comes from the leaves' ...
with their bark peeling like sheets of paper. Some aspen trees have grayish-white bark when they are young or on higher branches, but the bark won’t peel like paper birch. For example ...
The U.S. Forest Service, Colorado State Forest Service and organizations like Leave No Trace discourage people from carving into aspen trees because the bark serves a similar purpose as skin.