Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct. Class Magnoliopsida Brongn. (1843) Subclass Nymphaeidae J.W. Walker ex Takht. (1997) see Order Nymphaeales Salisb. ex Bercht. & J.Presl (1820) Superorder Nymphaeanae Thorne ex Reveal (1992) Order Nymphaeales Salisb. ex Bercht. & J.Presl (1820) Family Nupharaceae A. Kern. (1891) see Subfamily Nupharoideae M. Ito Genus Nuphar Sm. (1809)