Book: Luther . H.E. . Jørgensen . P.M. . León-Yánez . S. . Catalogue of the vascular plants of Ecuador = Catálogo de las plantas vasculares del Ecuador . 1999 . Missouri Botanical Garden Press . St. Louis, Mo. . 978-0915279609 . 337–361 . https://web.archive.org/web/20060926234532/http://www.selby.org/clientuploads/research/Bromeliaceae/EcuadorBromeliaceae.pdf . 26 September 2006 . Bromeliaceae . DEAD LINK
