See U.S. county distributions (when available) by clicking on the map or the linked states below: USA (CO, IA, ID, IL, IN, KS, MI, MN, MO, MT, ND, NE, NM, SD, WA, WI, WY), CAN (AB, BC, MB, ON, SK)
Related Taxa: Calamovilfalongifolia (Hook.) Scribn. var. longifolia