]> GH barcode-00422501 United States of America California Castaic Creek: confluence of Fish Canyon and general vicinity. Whitaker Peak USGS 7.5' quadrangle; T6N R17W, SE/4 section 16, and N/2 NE/4 section 22 Tropidocarpum gracile Hooker Hooker 2012-10-03 14:20:25 S. D. Boyd, T. S. Ross & L. Arnseth