Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct. Class Magnoliopsida Brongn. (1843) Subclass Asteridae Takht. (1967) see Superorder Asteranae Takht. (1967) Superorder Campanulanae Takht. ex Reveal (1992) see Order Asterales Link (1829) Order Menyanthales T. Yamazaki ex Takht. (1997), nom. inval. see Order Menyanthales Bercht. & J.Presl (1820) Family Menyanthaceae Dumort. (1829), nom. cons. - buckbean family Genus Nephrophyllidium E. Gilg, in Engl. & Prantl (1895)