6 567659 Joosia dichotoma (Ruiz & Pavon) Karsten [125 243293 Cinchona dichotoma Ruiz & Pavon]
H. Ruíz López, J.A. Pavon, Fl. Peruv., vol. 2 (Plates 153-325): p. 53, t. 197 (1798) [I. Galvez]

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