Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct. Class Magnoliopsida Brongn. (1843) Subclass Lamiidae Takht. ex Reveal (1993) see [unranked] lamiids Superorder Gentiananae Thorne ex Reveal (1992) see Order Gentianales Juss. ex Bercht. & J.Presl (1820) Order Rubiales Dumort. (1829) see Order Gentianales Juss. ex Bercht. & J.Presl (1820) Family Rubiaceae Juss. (1789), nom. cons. - coffee family Subfamily Antirheoideae see Subfamily Cinchonoideae Genus Cephalanthus L. (1753)