Photo 48997, (c) Franco Folini, some rights reserved (CC BY)

Attribution © Franco Folini some rights reserved Uploaded by folini Source Flickr Original http://www.flickr.com/photos/78425154@N00/6027896138 Associated observations Photos / Sounds What Yellow Star-Thistle (Centaurea solstitialis) Observer folini Date August 6, 2011 Place Mount Diablo State Park, Clayton, CA (Google, OSM) Date Added August 10, 2011 04:20 AM CEST 4 IDs Research Grade View Sizes small medium large original