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6 1074294 Wigandia urens (Ruiz & Pavon) Kunth [125 541492 Hydrolea urens Ruiz & Pavon]
H. Ruíz López, J.A. Pavon, Fl. Peruv., vol. 2 (Plates 153-325): p. 21, t. 243 (1798) [I. Galvez]
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