]> GH barcode-01573881 United States of America South Dakota Black Hills, 14 miles W. of Custer Physaria arenosa subsp. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz 2020-12-17 12:50:22 H. D. Ripley & R. C. Barneby