]> GH barcode-00974742 United States of America Nevada Black Rock Range, Mahogany Creek Canyon, 38 airline miles southwest of Denio. T.42 N., R.26 E., Sec. 34 Barbarea orthoceras Ledebour Ledebour 2021-03-17 14:51:07 N. H. Holmgren, J. J. Fay & B. L. Bethers