Quaking aspen

The quaking aspen is a term for two different aspen species.

  • Populus tremuloides, a native tree in North America.
  • Popullus tremula, the European trembling aspen.
P. tremuloides

All aspens spread by suckers (root sprouts). They may come to air up to 40 m from the parent tree, and form extensive clonal colonies.[1]

References
  1. Rushforth K. 1999. Trees of Britain and Europe. Collins ISBN 0-00-220013-9
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