Flora Europaea Haeckel (1866) - plants
   Spermatophyta Goebel (1882) see Phylum Spermatophyta Goebel (1882)
     Angiospermae J. Lindley (1830) see Infraphylum Angiospermae auct.
       Helobiae
         170 Family Alismataceae Vent. (1799), nom. cons. - water-plantain family
         171 Family Butomaceae Mirb. (1804), nom. cons. - flowering rush family
         172 Family Hydrocharitaceae Juss. (1789), nom. cons. - tape-grass family
         173 Family Scheuchzeriaceae F.Rudolphi (1830), nom. cons.
         174 Family Aponogetonaceae Planch. (1856), nom. cons. - Cape-pondweed family
         175 Family Juncaginaceae Rich. (1808), nom. cons. - arrow-grass family
         176 Family Lilaeaceae Dumort. (1829) see Family Juncaginaceae Rich. (1808), nom. cons.
         177 Family Potamogetonaceae Bercht. & J.Presl (1823), nom. cons. - pondweed family
         178 Family Ruppiaceae Horan. (1834), nom. cons. - ditch-grass family
         179 Family Posidoniaceae Vines (1895), nom. cons.
         180 Family Zosteraceae Dumort. (1829), nom. cons.
         181 Family Zannichelliaceae Chevall. (1827), nom. cons. - horned pondweed family see Family Potamogetonaceae Bercht. & J.Presl (1823), nom. cons.
         182 Family Najadaceae Juss. (1789), nom. cons. - water-nymph family see Subfamily Hydrilloideae