]> GH barcode-01801387 United States of America Utah About 1.5 miles south of Uintah Co. line, head of Middle Canyon of West Water Creek drainage in Roan Cliffs. T.15 1/2 S., R.24 E., Sec.33. Penstemon watsonii A. Gray A. Gray 2022-05-03 11:48:11 N. H. Holmgren, James L. Reveal & C. LaFrance