Accepted By:
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Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville.
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Correll, D. S. & M. C. Johnston. 1970. Man. Vasc. Pl. Texas i–xv, 1–1881. The University of Texas at Dallas, Richardson.
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Flora of North America Editorial Committee, e. 2003. Magnoliophyta: Caryophyllidae, part 1. 4: i–xxiv, 1–559. In Flora of North America Editorial Committee (eds.) Fl. N. Amer.. Oxford University Press, New York.
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