Arcytophyllum filiforme (Ruiz & Pavon) Standl. [ Hedyotis serpens Kunth]
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Arcytophyllum filiforme (Ruiz & Pavon) Standl. [ Hedyotis filiformis Ruiz & Pavon] [Rubiaceae]
F.H.A. von Humboldt, A. Bonpland, K.S. Kunth, Nov. Gen. Sp. [coloured version], vol. 3 : t. 289 (1818) [P.J.F. Turpin]