#adder's_tongue_fern__adder's_tongue__adder'stongue  ferns with fertile spikes shaped like a snake's tongue
  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:  #Ophioglossum_pendulum  epiphytic fern with straplike usually twisted fronds of tropical Asia and Polynesia and America
  member of:  #genus_Ophioglossum__Ophioglossum  the type genus of the fern family Ophioglossaceae
     member of:  #family_Ophioglossaceae__Ophioglossaceae  a family of succulent ferns of order Ophioglossales; cosmopolitan in distribution
        member of:  #order_Ophioglossales__Ophioglossales  coextensive with the family Ophioglossaceae
           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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