Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct. Class Magnoliopsida Brongn. (1843) Subclass Ranunculidae Takht. ex Reveal (1992) see Order Ranunculales Juss. ex Bercht. & J.Presl (1820) Superorder Ranunculanae Takht. ex Reveal (1992) Order Ranunculales Juss. ex Bercht. & J.Presl (1820) Family Ranunculaceae Juss. (1789), nom. cons. - buttercup family Subfamily Isopyroideae see Subfamily Thalictroideae Raf. (1815) Tribe Coptideae Langlet ex Tamura & K. Kosuge (1989) see Subfamily Coptoideae 1 Genus Coptis Salisbury (1807)