Accepted By:
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Standley, P. C. & L. O. Williams. 1970. Convolvulaceae. In Standley, P.C. & Williams, L.O. (eds.), Flora of Guatemala - Part IX. Fieldiana, Bot. 24(9): 4–85.
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Williams, L. O. 1970. Tropical American plants, XI. Fieldiana, Bot. 32(12): 179–206.
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