@article {540,
	title = {Phylogeny and Evolution of Ferns on the Early Leptosporangiate Divergences},
	journal = {American Journal of Biology},
	volume = {91},
	year = {2004},
	month = {2004},
	pages = {1528-1598},
	type = {Review},
	chapter = {1528},
	author = {Pryer, K.M. and Schuettpelz, E. and Wolf, P.G. and Schneider, H. and Smith, A.R. and Cranfill, R.}
}
