Shepherdia canadensis, commonly called Canada buffaloberry, russet buffaloberry, soopolallie, soapberry, or foamberry is one of a small number of shrubs of the genus Shepherdia that bears edible berries.

The Elaeagnaceae are a plant family, the oleaster family, of the order Rosales comprising small trees and shrubs, native to temperate regions of the Northern Hemisphere, south into tropical Asia and Australia. The family has about 60 species in three genera.