]> GH barcode-00946486 United States of America Idaho Willow Creek Summit, off U.S. Hwy 93, between Challis and Mackay. Elev. 7,160 ft. Boechera microphylla (Nuttall) Dorn (Nuttall) Dorn 2020-07-10 00:01:26 R. C. Rollins, K. W. Rollins & A. G. Roads