The Pteridophyte Phylogeny Group (novembro 2016). «A community-derived classification for extant lycophytes and ferns». Journal of Systematics and Evolution. 54 (6): 563–603. doi:10.1111/jse.12229
Alan R. Smith, Kathleen M. Pryer, Eric Schuettpelz, Petra Korall, Harald Schneider, Paul G. Wolf: A classification for extant ferns. In: Taxon. vol. 55, Nr. 3, 2006, ISSN0040-0262, pp. 705–731, Abstract,ficheiro pdf.
Alan R. Smith, Kathleen M. Pryer, Eric Schuettpelz, Petra Korall, Harald Schneider, Paul G. Wolf: A classification for extant ferns. In: Taxon. vol. 55, Nr. 3, 2006, ISSN0040-0262, pp. 705–731, Abstract,ficheiro pdf.
Alan R. Smith, Kathleen M. Pryer, Eric Schuettpelz, Petra Korall, Harald Schneider, Paul G. Wolf: A classification for extant ferns. In: Taxon. vol. 55, Nr. 3, 2006, ISSN0040-0262, pp. 705–731, Abstract,ficheiro pdf.