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


  • Abrams, L. & R. S. Ferris. 1960. Bignonias to Sunflowers. 4: 732 pp. In L. Abrams (ed.) Ill. Fl. Pacific States. Stanford University Press, Stanford.
  • Cronquist, A.J. 1994. Asterales. 5: 1–496. In A.J. Cronquist, A. H. Holmgren, N. H. Holmgren, J. L. Reveal & P. K. Holmgren (eds.) Intermount. Fl. Hafner Pub. Co., New York.
  • Flann C. (ed) (2015). GCC: Global Compositae Checklist (version 5 (Beta), Jun 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.
  • Holotype: Greene, E. L. 1909. Leafl. Bot. Observ. Crit. 2: 21.
  • Isotype: Greene, E. L. 1895. Erythea. 3: 22.
  • Isotype: Nelson, A. 1899. Bull. Torrey Bot. Club. 26: 484.
  • Lectotype: Greenman, J. M. 1917. Ann. Missouri Bot. Gard. 4: 21.; Barkley, F. A. 1968. Brittonia. 20: 278.
  • Memoirs of the American Academy of Arts and Science, new series 4(1): 109. 1849. (Mem. Amer. Acad. Arts, n.s.)
  • Munz, P. A. & D. D. Keck. 1959. Cal. Fl. 1–1681. University of California Press, Berkeley.
  • Munz, P. A. 1974. Fl. S. Calif. 1–1086. University of California Press, Berkeley.


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