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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Dodson, C.H. & A.H. Gentry. 1978. Flora of the Río Palenque Science Center: Los Ríos Province, Ecuador. Selbyana 4(1–6): i–xxx, 1–628.
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Standley, P.C. & J. A. Steyermark. 1958. Hydrocharitaceae. In Standley, P.C. & Steyermark, J.A. (eds.), Flora of Guatemala - Part I. Fieldiana, Bot. 24(1): 84–86.
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