]> GH barcode-01573878 United States of America Wyoming T49N R63 W S9. Black Hills, Spring Cr just N of WY Hwy 116, S of Pfeiffer Hill, ca 10 air mi SSW of Sundance Physaria arenosa subsp. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz 2020-03-17 20:40:37 H. Marriott