#family_Parkeriaceae__Parkeriaceae  coextensive with the genus Ceratopteris; sometimes included in family Polypodiaceae
  supertype:  #fern_family  families of ferns and fern allies
  member of:  #order_Filicales
  member:  #genus_Ceratopteris__Ceratopteris  water ferns
     member:  #floating_fern__water_sprite__watersprite__ceratopterispteridioide  aquatic fern of tropical America often used in aquariums
     member:  #Ceratopteris_thalictroides__floating_fern  pantropical aquatic fern

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