]> GH barcode-00091515 United States of America Idaho 14 miles west of Darlington, along Antelope Creek, rocky calcareous mountain-slope, 6200 feet Penstemon whitedii subsp. tristis Pennell & D. D. Keck Pennell & D. D. Keck 2010-08-16 16:36:18 F. W. Pennell