P. C.  Standley, ?Flora of Costa Rica, Part II?, Field Museum of Natural History, Botanical series, vol. 18, no. 2, pp. 401-780, 1937.

C.  Mez, ?Bromeliaceae et Lauraceae novae vel adhuc non satis cognitae?, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie, vol. 30, no. Beiblatt 67, pp. 1-20, 1901.