#class_Filicopsida__Filicopsida__Filicinae__class_Filicinae  ferns
  supertype:  class__clas  (biology) a taxonomic group containing one or more orders
  member:  fern  family_Schizaeaceae  family_Marsileaceae  family_Salviniaceae  order_Ophioglossales  order_Filicales  family_Adiantaceae  family_Cyatheaceae  family_Davalliaceae  family_Dennstaedtiaceae  family_Dryopteridaceae  family_Lomariopsidaceae  family_Lophosoriaceae  family_Loxomataceae  order_Marattiales  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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