Aspen, one of the few broad-leaved trees ... which in turn form oozing bruises under the bark. On another tree, Worrall finds small cracks like those on the surface of a cookie, a clue that ...

It has small rounded leaves with very small teeth along the ... Full article also can be viewed with Purdue Forestry and Natural Resources News: Trees of Indiana: Quaking Aspen.

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 ...

Careful examination of an aspen trunk reveals that it is slightly green in colour, and this indicates the presence of chlorophyll there. This enables the tree to absorb a small amount of the sun ...

In early spring, an aspen clone will produce small, inconspicuous strings of reproductive ... The ability of aspen to produce whole stands of "trees" vegetatively provides yet another key element ...