#shield_fern__buckler_fern__bucklerfern  any of various ferns of the genera Dryopteris or Polystichum or Lastreopsis having somewhat shield-shaped coverings on the sori
  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:  family_Dryopteridaceae
  subtype:  broad_buckler-fern__broadbucklerfern__Dryopteris_dilatata  European shield fern
  subtype:  Goldie's_fern__Goldie's_shield_fern__goldie's_wood_fern__Dryopteris_goldiana  North American fern with a blackish lustrous stipe
  subtype:  soft_shield_fern__Polystichum_setiferum  European shield fern cultivated in many varieties

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