Pryer, Kathleen M., Harald Schneider, Alan R. Smith, Raymond Cranfill, Paul G. Wolf, Jeffrey S. Hunt y Sedonia D. Sipes. 2001. "Horsetails and ferns are a monophyletic group and the closest living relatives to seed plants". Nature 409: 618-622 (resumen en inglés aquí).
Pryer, Kathleen M., Eric Schuettpelz, Paul G. Wolf, Harald Schneider, Alan R. Smith y Raymond Cranfill. 2004. "Phylogeny and evolution of ferns (monilophytes) with a focus on the early leptosporangiate divergences". American Journal of Botany 91:1582-1598 (resumen en inglés aquí Archivado el 26 de agosto de 2010 en Wayback Machine.).
A. 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 aquí)
Referencias citadas
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↑ abcChristenhusz et al. 2011. A linear sequence of extant families and genera of lycophytes and ferns. Phytotaxa 19: 7-54. (pdf)
↑ abcPreface to “Linear sequence, classification, synonymy, and bibliography of vascular plants: Lycophytes, ferns, gymnosperms and angiosperms” pdf
↑ abcCorrections to Phytotaxa 19: Linear sequence of lycophytes and ferns pdf
↑ 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)
↑ abSmith, 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.