Smith System

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English: The Smith System is a fern classification system that was co-developed by Alan R. Smith, Research Botanist at the University of California, Berkeley, in 2006. It is often referenced as Smith et al. 2006 or Smith & al. 2006.



Circumscription of living taxa sensu Smith et al. 2006 [1] corrected in Cyatheaceae sensu Korall et al. 2007[2]


  1. 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 here)
  2. Korall, P., D.S. Conant, J.S. Metzgar, H. Schneider, K.M. Pryer. 2007. A molecular phylogeny of scaly tree ferns (Cyatheaceae). American Journal of Botany 94: 873-886. (pdf here)

Other classifications