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Heteranthera Ruíz & Pav. [39]
H. Ruiz, J. Pavón, Draw. Roy. Bot. Exped. Viceroy. Peru: t. 810 [462], fig. 1 (1777) [X. Cortés] [2319]
Illustration contributed by:
Real Jardín Botánico, Madrid, Spain

Pontederiaceae
H. Ruiz, J. Pavón, Draw. Roy. Bot. Exped. Viceroy. Peru: t. 810 [462], fig. 1 (1777) [X. Cortés]