]> GH barcode-00345050 United States of America California San Gabriel Mts., Angeles National Forest: Canyon above Angeles Crest Hwy. c. 1 mi. W of Vincent Gap, at one of headwaters of E fork Big Rock Creek N face Mt. Baden-Powell Holodiscus microphyllus Rydberg Rydberg 2012-02-27 14:46:28 R. F. Thorne, C. W. Tilforth & J. Dourley