#genus_Ophioglossum__Ophioglossum  the type genus of the fern family Ophioglossaceae
  supertype:  #fern_genus  genera of ferns and fern allies
  member of:  #family_Ophioglossaceae
  member:  #adder's_tongue_fern__adder's_tongue__adder'stongue  ferns with fertile spikes shaped like a snake's tongue

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