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
             1 Subfamily Celastroideae Burnett
             2 Subfamily Tripterygoideae see Subfamily Celastroideae Burnett
             3 Subfamily Cassinoideae see Subfamily Celastroideae Burnett
             4 Subfamily Hippocrateoideae Lindl.
             5 Subfamily Siphonodontoideae Croizat see Subfamily Celastroideae Burnett