1. families of ferns and fern allies

Hyponyms: Hymenophyllaceae, family Hymenophyllaceae, Osmundaceae, family Osmundaceae, Schizaeaceae, family Schizaeaceae, Marsileaceae, family Marsileaceae, Salviniaceae, family Salviniaceae, Azollaceae, family Azollaceae, Ophioglossaceae, family Ophioglossaceae, Gleicheniaceae, family Gleicheniaceae, Parkeriaceae, family Parkeriaceae, Polypodiaceae, family Polypodiaceae, Adiantaceae, family Adiantaceae, Vittariaceae, family Vittariaceae, Aspleniaceae, family Aspleniaceae, Blechnaceae, family Blechnaceae, Cyatheaceae, family Cyatheaceae, Davalliaceae, family Davalliaceae, Dennstaedtiaceae, family Dennstaedtiaceae, Dicksoniaceae, family Dicksoniaceae, Dryopteridaceae, family Dryopteridaceae, Athyriaceae, family Athyriaceae, Lomariopsidaceae, family Lomariopsidaceae, Lophosoriaceae, family Lophosoriaceae, Loxomataceae, family Loxomataceae, Oleandraceae, family Oleandraceae, Pteridaceae, family Pteridaceae, Marattiaceae, family Marattiaceae, Psilotaceae, family Psilotaceae, Psilophytaceae, family Psilophytaceae, Rhyniaceae, family Rhyniaceae, Equisetaceae, family Equisetaceae, horsetail family, Lepidodendraceae, family Lepidodendraceae, Lycopodiaceae, family Lycopodiaceae, clubmoss family, Selaginellaceae, family Selaginellaceae, Isoetaceae, family Isoetaceae, quillwort family, Cryptogrammataceae, family Cryptogrammataceae, Thelypteridaceae, family Thelypteridaceae

 

Member Meronyms: Pteridophyta, division Pteridophyta