Summary[edit] Description: English: Clarkia purpurea subsp. quadrivulnera. At Blue Sky Ecological Reserve in Poway, San Diego County, California. Date: 29 April 2009. Source: Own work. Author: Stickpen. Permission (Reusing this file): released to public domain.
Summary[edit] Description: English: Clarkia purpurea — in Fremont, Bay Area, Northern California. June 2011. Date: 16 June 2011. Source: Own work. Author: Acmonbluey. Other versions: : This file has been extracted from another file: Clarkia purpurea.jpg : .
Summary[edit] Description: English: From a collection of 86 paintings "once in the holdings at the Arnold Arboretum at Harvard University, which C.S. Sargent was the first director of from 1872-1927.". Source: http://botlib.huh.harvard.edu/libraries/riocreux_illustrations.htm. Author: Alfred Riocreux (1820-1912).