Scott, D.H. (1909), Studies in Fossil Botany Edn. 2: 616, 631, 632 [tax. nov.]

Smith, A.R., Pryer, K.M., Schuettpelz, E., Korall, P., Schneider, H. & Wolf, P.G. (August 2006), A classification for extant ferns. Taxon 55(3): 709 [secondary reference]

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 712 [secondary reference]

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