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

References

• Abrams, L. 1944. Buckwheats to Kramerias. 2: 635 pp. In L. Abrams Ill. Fl. Pacific States. Stanford University Press, Stanford.
• Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville.
• CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Ca. nat. México. CONABIO, Mexico City.
• Cronquist, A., A. H. Holmgren, N. H. Holmgren, J. L. Reveal & P. K. Holmgren. 1989. Vascular Plants of the Intermountain West, U.S.A., FABALES. 3B: 1–279. In A. J. Cronquist, A. H. Holmgren, N. H. Holmgren, J. L. Reveal & P. K. Holmgren (eds.) Intermount. Fl. Hafner Pub. Co., New York.
• Hickman, J. C. 1993. Jepson Man.: Higher Pl. Calif. i–xvii, 1–1400. University of California Press, Berkeley.
• Hitchcock, C. L., A. Cronquist, M. Ownbey & J. W. Thompson. 1961. Saxifragaceae to Ericaceae. Part III. 614 pp. In Vasc. Pl. Pacific N.W. University of Washington Press, Seattle.
• Hultén, E. 1968. Fl. Alaska i–xxi, 1–1008. Stanford University Press, Stanford.
• Mosquin, T. & J. M. Gillett. 1965. Chromosome numbers in American Trifolium (Leguminosae). Brittonia 17(2): 136–143.
• 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.
• Scoggan, H. J. 1978. Dicotyledoneae (Saururaceae to Violaceae). 3: 547–1115. In Fl. Canada. National Museums of Canada, Ottawa.
• Shreve, F. & I. L. Wiggins. 1964. Veg. Fl. Sonoran Des. 2 vols. Stanford University Press, Stanford.
• Welsh, S. L. 1974. Anderson's Fl. Alaska Adj. Parts Canada i–xvi, 1–724. Brigham Young University Press, Provo.
• Wiggins, I. L. 1980. Leguminosae. 644–711. In I. L. Wiggins Fl. Baja Calif. Stanford University Press, Stanford.
• Zohary, M. & D. Heller. 1984. Genus Trifolium i–x, 1–606. Israel Academy of Sciences and Humanities, Jerusalem.