Accepted By:
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Gleason, H. A. 1968. The Sympetalous Dicotyledoneae. vol. 3. 596 pp. In H. A. Gleason Ill. Fl. N.E. U.S.. New York Botanical Garden, New York.
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Roberty, G. 1952. Genera Convolvulacearum. Candollea 14: 11–60.
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Shreve, F. & I. L. Wiggins. 1964. Veg. Fl. Sonoran Desert 2 vols. Stanford University Press, Stanford.
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Small, J. K. 1933. Man. S.E. Fl. i–xxii, 1–1554. Published by the Author, New York.
 
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Sousa Sánchez, M. & E. F. Cabrera Cano. 1983. Flora de Quintana Roo. Listados Floríst. México 2: 1–100.
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