#genus_Ceratopteris__Ceratopteris  water ferns
  supertype:  #fern_genus  genera of ferns and fern allies
  member:  #floating_fern  #Ceratopteris_thalictroides
  member of:  #family_Parkeriaceae__Parkeriaceae  coextensive with the genus Ceratopteris; sometimes included in family Polypodiaceae
     member of:  #order_Filicales__Filicales__Polypodiales__order_Polypodiales  true (leptosporangiate) ferns
        member of:  #class_Filicopsida__Filicopsida__Filicinae__class_Filicinae  ferns
           member of:  #division_Pteridophyta__Pteridophyta  containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta
              member of:  #kingdom_Plantae__Plantae__plant_kingdom__plantkingdom  taxonomic kingdom comprising all living or extinct plants

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