Angiosperms - flowering plants see Subclass Magnoliidae Novák ex Takht. (1967)
   Order Nymphaeales Salisb. ex Bercht. & J.Presl (1820)
     2 Family Hydatellaceae U.Hamann (1976)
     3 Family Cabombaceae Rich. ex A.Rich. (1822), nom. cons. - water-shield family
     4 Family Nymphaeaceae Salisb. (1805), nom. cons. - water lilies