Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Hamamelididae Takht. (1967)
       Superorder Buxanae Takht. (1997), nom. inval. see Superorder Buxanae Takht. ex Reveal & Doweld (1999)
         Order Didymelales Takhtajan (1967) see Order Buxales Takht. ex Reveal (1996)
           1 Family Didymelaceae Leandri (1937) - Didymeles family see Family Buxaceae Dumort. (1822), nom. cons.