]> GH barcode-00369262 United States of America California Spring 0.7 mi. S of mouth of Silver Canyon, 1.7 mi. S79ÂșE of Laws P.O., T6S R33E S26 Robinia pseudoacacia Linnaeus Linnaeus 2012-04-25 11:48:38 J. D. Morefield & D. H. McCarty