#fern_family  families of ferns and fern allies
  supertype:  #family  (biology) a taxonomic group containing one or more genera; "sharks belong to the fish family"
  subtype:  #family_Hymenophyllaceae  #family_Osmundaceae  #family_Schizaeaceae  #family_Marsileaceae  #family_Salviniaceae  #family_Azollaceae  #family_Ophioglossaceae  #family_Gleicheniaceae  #family_Parkeriaceae  #family_Polypodiaceae  #family_Adiantaceae  #family_Vittariaceae  #family_Aspleniaceae  #family_Blechnaceae  #family_Cyatheaceae  #family_Davalliaceae  #family_Dennstaedtiaceae  #family_Dicksoniaceae  #family_Dryopteridaceae  #family_Lomariopsidaceae  #family_Lophosoriaceae  #family_Loxomataceae  #family_Oleandraceae  #family_Pteridaceae  #family_Marattiaceae  #family_Psilotaceae  #family_Psilophytaceae  #family_Rhyniaceae  #family_Equisetaceae  #family_Lepidodendraceae  #family_Lycopodiaceae  #family_Selaginellaceae  #family_Isoetaceae  #family_Cryptogrammataceae  #family_Thelypteridaceae
  member of:  #division_Pteridophyta__Pteridophyta  containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta
     member of:  #kingdom_Plantae__Plantae__plant_kingdom__plantkingdom  taxonomic kingdom comprising all living or extinct plants

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