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 Buxales Takht. ex Reveal (1996)
           1 Family Buxaceae Dumort. (1822), nom. cons. - boxwood family
           1.0.1 Family Pachysandraceae J.Agardh (1858) see Tribe Pachysandreae Reveal
           1.0.2 Family Stylocerataceae Baill. ex Reveal & Hoogland (1990) see Tribe Stylocereae