embryophytes - land plants see Superphylum Embryophyta Engl. (1887)
   angiosperms - flowering plants see Subclass Magnoliidae Novák ex Takht. (1967)
     eudicots see Clade Eudicotyledoneae Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
       Order Buxales Takht. ex Reveal (1996)
         1 Family Buxaceae Dumort. (1822), nom. cons. - boxwood family
         2 Family Haptanthaceae C.Nelson (2002) see Family Buxaceae Dumort. (1822), nom. cons.