[The Willow Family East of the Cascade Mountains]

Cottonwoods and Poplars East of the Cascade Mountains of Oregon and Washington

The Genus Populus

 

 


White Poplar: Populus alba (Synonyms: Populus alba var. bolleana, Populus alba var. pyramidalis)

Narrowleaf Cottonwood, Mountain Cottonwood: Populus angustifolia (Synonym: Populus fortissima)

Black Cottonwood, Balsam Poplar: Populus balsamifera ssp. trichocarpa (Synonym: Populus trichocarpa)

Plains Cottonwood: Populus deltoides ssp. monilifera (Synonym: Populus deltoides var. occidentalis)

Lombardy Poplar: Populus nigra (Synonyms: Populus dilatata, Populus italica, Populus nigra var. italica)

Quaking Aspen: Populus tremuloides (Synonyms: Populus tremula ssp. tremuloides, Populus tremuloides var. vancouveriana)


Paul Slichter E-mail