#lady_fern__Athyrium_filix-femina  most widely grown fern of the genus Athyrium for its delicate foliage
  supertype:  fern  any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
  subtype:  Alpine_lady_fern  a lady fern with deeply cut leaf segments; found in the Rocky Mountains
  member of:  genus_Athyrium__Athyrium  temperate and tropical lady ferns; in some classifications placed in family Polypodiaceae or in the genus Asplenium
     member of:  family_Dryopteridaceae__Dryopteridaceae__Athyriaceae__family_Athyriaceae  alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems
        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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