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
           114 Family Alismataceae Vent. (1799), nom. cons. - water-plantain family
           115 Family Butomaceae Mirb. (1804), nom. cons. - flowering rush family
           116 Family Hydrocharitaceae Juss. (1789), nom. cons. - tape-grass family
           117 Family Scheuchzeriaceae F.Rudolphi (1830), nom. cons.
           118 Family Juncaginaceae Rich. (1808), nom. cons. - arrow-grass family
           119 Family Potamogetonaceae Bercht. & J.Presl (1823), nom. cons. - pondweed family
           120 Family Najadaceae Juss. (1789), nom. cons. - water-nymph family see Subfamily Hydrilloideae