]> GH barcode-00061474 United States of America California Santa Ana Mountains, Elsinore Peak area south of Lake Elsinore, on "Onion Hill," a grassy knoll about 0.5 mi SE of Elsinore Peak on the crest of the range, north of the Main Divide Road, T6S R4W SE1/4 SW1/4 sec. 31, 3320 m. Sibaropsis hammittii S. D. Boyd & T. S. Ross S. D. Boyd & T. S. Ross 2010-08-16 16:41:47 S. D. Boyd & T. S. Ross