#family_Pteridaceae__Pteridaceae  one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems; Pteridaceae is itself in turn sometimes further subdivided
  supertype:  #fern_family  families of ferns and fern allies
  member:  #genus_Acrostichum  #genus_Actiniopteris  #genus_Adiantum  #genus_Anogramma  #genus_Cheilanthes  #genus_Coniogramme  #genus_Cryptogramma  #genus_Doryopteris  #genus_Jamesonia  #genus_Onychium  #genus_Pellaea  #genus_Pityrogramma  #genus_Pteris
  member of:  #order_Filicales__Filicales__Polypodiales__order_Polypodiales  true (leptosporangiate) ferns
     member of:  #class_Filicopsida__Filicopsida__Filicinae__class_Filicinae  ferns
        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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