Type	Chapter
Authors(s)	Pichi Sermolli REG.
Year	1973
Title	Historical review of the higher classification of the Filicopsida
Gepubliceerd in	Jermy AC, Crabbe JA, Thomas BA (eds.) The phylogeny and classification of the ferns
Page(s)	11–40.
Published in/Publisher	Botanical Journal of the Linnean Society 67. Supplement 1.