↑ abA. R. Smith, K. M. Pryer, E. Schuettpelz, P. Korall, H. Schneider, P. G. Wolf. 2006. "A classification for extant ferns". Taxon 55(3), 705-731 ( pdf)
↑Smith, A.R., Pryer, K.M., Schuettpelz, E., Korall, P., Schneider, H., & Wolf, P.G. (2008) Fern classification, pp. 417–467 en: Ranker, T.A., & Haufler, C.H. (eds.), Biology and Evolution of Ferns and Lycophytes. Cambridge, Cambridge University Press.
↑Christenhusz et al. 2011. A linear sequence of extant families and genera of lycophytes and ferns. Phytotaxa 19: 7-54. (pdf)
↑Preface to “Linear sequence, classification, synonymy, and bibliography of vascular plants: Lycophytes, ferns, gymnosperms and angiosperms” pdf
↑Corrections to Phytotaxa 19: Linear sequence of lycophytes and ferns pdf