]> GH barcode-01996820 United States of America Nebraska 20 miles south of Chadron. Lithospermum occidentale (Mackenzie) Weakley, Witsell & D. Estes (Mackenzie) Weakley, Witsell & D. Estes 2019-11-04 15:29:28 Ced. L. Porter & M. W. Porter