Why do quaking aspen leaves quake and tremble? The leaves of this species quake, shake and tremble in the presence of even the slightest breeze due to the physical structure of the leaf stem ...

It has small rounded leaves with very small teeth along the margin. 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 ...

It's a 43-hectare complex of quaking aspen clones, consisting of 47,000 genetically ... sooty bark canker, leaf spot, and conk fungus. Although plant diseases have been present and evolving ...