Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Rosidae Takht. (1967) see Superorder Rosanae Takht. (1967)
       Superorder Celastranae Takht. (1967) see Order Celastrales Link (1829)
         Order Celastrales Link (1829)
           Family Celastraceae R.Br. (1814), nom. cons. - bittersweet family
             Subfamily Tripterygoideae see Subfamily Celastroideae Burnett
               1 Genus Ptelidium Du Petit-Thouars (1804)
               2 Genus Zinowiewia Turczaninow (1859)
               3 Genus Plenckia Reissek (1861), nom. cons.
               4 Genus Tripterygium Hook.f. (1862)
               5 Genus Wimmeria Schlechtendal & Chamisso (1831)