A Colorado-based company is installing a new art exhibit on the 16th Street Mall to make it look like a canopy of aspen trees ...

During drought, aspen close off microscopic openings in their leaves, a survival measure that slows water loss but also slows the uptake of carbon dioxide, required for photosynthesis. As a result ...

Aspen form individual patches comprised of numerous stems, termed ramets, each with its own trunk, branches, leaves and a shared root system (Figure 2). All of these structures arose from a single ...

Like most aspens, it has long flat leaf steams that are known to flutter in the wind. Quaking aspen is found int he northern part of the state of Indiana. This species is found from Nefoundland ...