Flora van Nederland Haeckel (1866) - plants
   Division Spermatophyta Goebel (1882) see Phylum Spermatophyta Goebel (1882)
     Subdivision Angiospermae J. Lindley (1830) see Infraphylum Angiospermae auct.
       Class Dicotyledones see Class Magnoliopsida Brongn. (1843)
         Order Violales Perleb (1826) see Order Malpighiales Juss. ex Bercht. & J.Presl (1820)
           Family Elatinaceae Dumort. (1829), nom. cons. - waterwort family
             Genus Elatine L. (1753)
               Elatine hexandra (Lapierre) DC. (1815)