#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
  member of:  #genus_Ophioglossum
  subtype:  #Ophioglossum_pendulum__ribbon_fern  epiphytic fern with straplike usually twisted fronds of tropical Asia and Polynesia and America

No statement uses or specializes #adder's_tongue_fern; click here to add one.