Photo 4051665, (c) Richard Whitmarsh, some rights reserved (CC BY-NC), uploaded by Richard Whitmarsh

Attribution © Richard Whitmarsh some rights reserved Uploaded by rswhitmarsh Source iNaturalist Associated observations Photos / Sounds What Cobwebby Thistle (Cirsium occidentale) Observer rswhitmarsh Date June 6, 2016 10:55 AM PDT Place San Francisco Watershed Lands, San Mateo County, Golden Gate National Recreation Area, US-CA, US (Google, OSM) Date Added June 19, 2016 12:28 PM PDT 3 IDs Research Grade View Sizes small medium large original