#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

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