Literature

• Moran, R. 2007. Ferns. Plants and Lichens of Saba Virtual Herbarium of The New York Botanical Garden. [link]
• The Plant List 2013. The Plant List version 1.1. [link]

Literature references linked to higher taxa

• Catalogue of Life. Species 2000 & ITIS. [link] (Polypodiopsida)
• Encyclopedia of Life. [link] (Polypodiaceae)