]> FH barcode-00302049 United States of America California Channel Islands: Santa Rosa Island: Channel Islands National Park: steep draw between National Park Service Housing and bottom of Windmill Canyon (Santa Rosa Island North 7.5' Q, plus/minus 10m). Alt.: 230 ft. Verrucaria calkinsiana Servít Servít 2010-08-16 16:39:24 K. Knudsen