]> GH barcode-01687488 United States of America Nebraska Off Interstate Hwy. 80, 18.5 miles E of Nebraska-Wyoming state line Physaria ludoviciana (Nuttall) O'Kane & Al-Shehbaz (Nuttall) O'Kane & Al-Shehbaz 2020-06-23 19:34:07 R. C. Rollins & K. W. Rollins