Description: English: Cirsium occidentale — Cobweb thistle; blooming. Native Cobweb thistle growing on Trail 47 of Fort Ord National Monument, in Monterey County, California. Date: 31 March 2015. Source: Own work. Author: Ahaffa.
Description: English: Photographed at Abbott's Lagoon, Pt. Reyes National Seashore, Marin County, California. Date: 11 July 2009. Source: Own work. Author: Eric in SF.