]> GH barcode-01153808 United States of America Wyoming T50N R60W S4. Black Hills, Guidinger Spring S of Cement Ridge at head of Rattlesnake Canyon ca. 7.5 air mi NE of Moskee, CA. 15 air mi ESE of Sundance Barbarea vulgaris W. T. Aiton W. T. Aiton 2022-01-02 11:42:48 H. Marriott B. E. Nelson