[Angiospermae] J. Lindley (1830) see Infraphylum Angiospermae auct.
   Dicotyledones see Class Magnoliopsida Brongn. (1843)
     Superorder Nymphaeanae Thorne ex Reveal (1992)
       Order Nymphaeales Salisb. ex Bercht. & J.Presl (1820)
         1 Family Cabombaceae Rich. ex A.Rich. (1822), nom. cons. - water-shield family
         2 Family Nymphaeaceae Salisb. (1805), nom. cons. - water lilies
         3 Family Ceratophyllaceae Gray (1822), nom. cons. - hornwort family