6 855093 Puya ferruginea (Ruiz & Pavon) L.B.Sm. [125 801251 Pitcairnia ferruginea Ruiz & Pavon] Bromeliaceae
H.G.A. Engler, Pflanzenr., vol. 32 [Heft 100], (Bromeliaceae): p. 248, fig. 61 (1934)