American aspen

 

American aspen (plural American aspens)

1. Populus tremuloides, the quaking aspen or trembling aspen, a deciduous tree native to cooler North American regions, especially at high altitudes.

• European aspen (Populus tremula)

•   American aspen on Wikipedia.Wikipedia
•   Populus tremuloides on Wikispecies.Wikispecies
•   Populus tremuloides on Wikimedia Commons.Wikimedia Commons