in preference to other trees, felling them to build its dams and lodges, which provide a habitat for many species of aquatic organisms. Aspen has a very large native range, occurring from Japan ...

This bark lives and carries out photosynthesis, attributes that make it unique among North American trees and likely contribute to its impressive geographic range (Figure 1). Aspen form individual ...

Throughout the mountains of the American West, carvings hidden on the trunks of aspen trees tell the stories ... and solitude of the high mountain range, whether in the Sierra Nevada, Ruby ...