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 Monocotyledones see Class Liliopsida Batsch (1802)
         Order Helobiae
           Family Alismataceae Vent. (1799), nom. cons. - water-plantain family
             Genus Sagittaria L. (1753)
               Sagittaria sagittifolia L. - arrowhead