#genus_Cystopteris__Cystopteris  chiefly small perennial rock ferns: bladder ferns; in some classifications placed in Polypodiaceae
  supertype:  fern_genus  genera of ferns and fern allies
  member of:  family_Dryopteridaceae
  member:  bladder_fern__bladderfern  any fern of the genus Cystopteris characterized by a hooded indusium or bladderlike membrane covering the sori

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