]> GH barcode-00379057 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 Caulanthus coulteri S. Watson S. Watson 2012-08-14 11:01:45 S. D. Boyd, T. S. Ross & L. Arnseth