Literature

• Axelrod, F.S. 2015. A Systematic Vademecum to the Vascular Plants of Sint Eustatius. 179 pp.
• Burg, M.P. van den, Proosdij, A.S.J. van, Balborda, T.M., Boeken, M., Buurt, G. van, Freitas, J. de, Houtepen, E., Leeuwen, S.J. van, Mitchell, A., Waart, S. de & Debrot, A.O. 2025. Invasive Species: Major Threat to Caribbean Netherlands Biodiversity. In: Debrot et al. 2025. State of Nature Report for the Caribbean Netherlands 2024. C001/25: 337-351. Wageningen University and Research.
• Encyclopedia of Life. [link]
• Moran, R. 2007. Ferns. Plants and Lichens of Saba Virtual Herbarium of The New York Botanical Garden. [link]
• Moran, R. 2008. Ferns. Plants & Lichens of St. Eustatius The New York Botanical Garden. [link]

Literature references linked to higher taxa

• Catalogue of Life. Species 2000 & ITIS. [link] (Polypodiopsida)
• The Plant List 2013. The Plant List version 1.1. [link] (Nephrolepis)