#sword_fern__swordfern  any of several tropical ferns having more or less sword-shaped fronds including one from which the Boston fern developed
  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:  Boston_fern  basket_fern
  member of:  genus_Nephrolepis__Nephrolepis  small genus of tropical ferns; sometimes placed in Polypodiaceae
     member of:  family_Oleandraceae__Oleandraceae  one of a number of families into which Polypodiaceae has been subdivided in some classification systems
        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

No statement uses or specializes sword_fern; click here to add one.