]> GH barcode-01084490 Canada Northwest Territories Mackenzie River Delta: North end of Richards Island, about 69°30-40'N., 134°-134°40'W Descurainia sophioides (Fischer ex Hooker) O. E. Schulz (Fischer ex Hooker) O. E. Schulz 2020-11-03 16:26:13 A. E. Porsild & R. T. Porsild