#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
  supertype:  division.phylum  (botany) taxonomic unit of plants corresponding to a phylum
  member:  genus_Pecopteris  pteridophyte  fern_family  fern_genus  class_Filicopsida  class_Psilopsida  order_Psilophytales  class_Sphenopsida  class_Lycopsida
  member of:  kingdom_Plantae__Plantae__plant_kingdom__plantkingdom  taxonomic kingdom comprising all living or extinct plants

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