Shepherdia canadensis, commonly called Canada buffaloberry, russet buffaloberry, soopolallie, soapberry, or foamberry (Ktunaxa: kupaʔtiǂ,) is one of a small number of shrubs of the genus Shepherdia that bears edible berries. The fruit is usually red, but one species has yellow berries. The berries have a bitter taste. The species is widespread in all of Canada, except in Prince Edward Island, and in the western and northern United States, including Alaska and Idaho. The plant is a deciduous shrub ...