]> GH barcode-01879388 United States of America South Dakota Black Hills National Forest; along State Hwy. 244 at milepost 29, ca. 4.8 miles east of its junction with U.S. Hwy. 16 Castilleja sulphurea Rydberg Rydberg 2021-01-26 10:16:05 R. R. Halse