Baldwin, Bruce G. et. al. (eds).  2012.  The Jepson Manual Vascular Plants of California, 2nd Edition.  University of California Press, Berkeley.

    Collins, B. J.  2000.  Key to Coastal and Chaparral Flowering Plants of Southern California, 3rd Edition.  Kendal Hunt Publishing Company. 

    Dale, Nancy.  2000.  Flowering Plants - The Santa Monica Mountains, Coastal & Chaparral Regions of Southern California, Revised 2nd Printing.  California Native Plant Society, Sacramento.

    McAuley, Milt.  1996.  Wildflowers of the Santa Monica Mountains, 2nd Edition.  Canyon Publishing Company, Conoga Park.