]> GH barcode-00403033 United States of America California Middle reaches of Nathanson Creek, 1.5 mi. above Gehricke Rd. terminus, immed. E of Sonoma townsite Rhododendron occidentale (Torrey & A. Gray) A. Gray (Torrey & A. Gray) A. Gray 2013-05-07 09:39:07 G. F. Hrusa & Mac Griffiths