About Calystegia atriplicifolia Hallier fil.
Calystegia atriplicifolia Hallier fil. is a plant species native to the West Coast of the United States. Two subspecies are recognized with distinct native ranges. The subspecies Calystegia atriplicifolia subsp. buttenis is native to Northern California, where it occurs in the Klamath Mountains, Cascade Range, and San Francisco Bay Area. The subspecies Calystegia atriplicifolia subsp. atriplicifolia is native to Southern Washington (occurring in three counties around Mount Adams) and also occurs in Oregon.
