Data source info
divisio
ferns and horsetails
Monilophyta Cantino et Donoghue
divisio Monilophyta Cantino et Donoghue - ferns and horsetails
Smith, A. R., K. M. Pryer, et al. (2006). "A classification for extant ferns." Taxon 55(3): 705-731, from Wikipedia, Polypodiopsida
[Data retrieved on: 14 February 2008]
Brummitt R. K. (1992): Vascular Plant Families and Genera (online), Royal Botanic Gardens, Kew
genera and generic synonyms
[Data retrieved on: 14 February 2008]
genera and generic synonyms
[Data retrieved on: 14 February 2008]