The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.


  • A.J.Hill. 1973. In: Madroño 22: 100
  • Govaerts R. (ed). For a full list of reviewers see: (2015). WCSP: World Checklist of Selected Plant Families (version Sep 2014). In: Species 2000 & ITIS Catalogue of Life, 26th August 2015 (Roskov Y., Abucay L., Orrell T., Nicolson D., Kunze T., Flann C., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., eds). Digital resource at Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.
  • Hickman, J. C. 1993. The Jepson Manual: Higher Plants of California 1–1400. University of California Press, Berkeley.
  • Isotype: Hill, A. J. 1973. Madrono. 22: 100.
  • Madroño 22(2): 100–104, f. 1. 1973. (Madroño)
  • U. S. Fish and Wildlife Service. 1995. Endangered and Threatened Wildlife and Plants; Determination of Endangered Status for Ten Plants and Threatened Status for Two Plants From Serpentine Habitats in the San Francisco Bay Region of California. Federal Register, vol. 60, no. 23. 6671-6685


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