]> GH barcode-01872517 Canada Alberta 5 miles W of Medicine Hat.; on side of arid bank down to South Saskatchewan River. Polanisia dodecandra subsp. trachysperma (Torrey & A. Gray) Iltis (Torrey & A. Gray) Iltis 2020-09-03 09:50:41 W. G. Dore & A. J. Breitung