Rank ReasonsCalystegia longipes is known from the dry desert scrub of southern California, east across the Mojave Desert of southern Nevada to northwestern Arizona and southwestern Utah and north to Owens Valley of Inyo and southern Mono Counties, California. The plant is uncommon to rare in Nevada.
Range Extent CommentsKnown from southern California, east across the Mojave Desert of southern Nevada to northwestern Arizona and southwestern Utah and north to Owens Valley of Inyo and southern Mono Counties, California (Cronquist, Holmgren, Holmgren, Reveal, Holmgren 1984).