Arcytophyllum filiforme (Ruiz & Pavon) Standl. [ Hedyotis conferta Ruiz & Pavon]
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Arcytophyllum filiforme (Ruiz & Pavon) Standl. [ Hedyotis filiformis Ruiz & Pavon] [Rubiaceae]
H. Ruiz, J. Pavón, Draw. Roy. Bot. Exped. Viceroy. Peru: t. 194 [87], fig. a (1777) [I. Galvez]