The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville.
- Madroño 8(2): 62–63. 1945. (Madroño)
- Munz, P. A. 1968. Suppl. Calif. Fl. 1–224. University of California Press, Berkeley.
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