]> GH barcode-00960816 United States of America Idaho Double Springs Pass, NE of U.S. Hwy. 93, ca. half way between Challis and Mackay Boechera retrofracta (Graham) A. Löve & D. Löve (Graham) A. Löve & D. Löve 2020-07-10 10:41:02 R. C. Rollins & K. W. Rollins Aileen G. Roads