[Angiospermae] J. Lindley (1830) see Infraphylum Angiospermae auct.
   Dicotyledones see Class Magnoliopsida Brongn. (1843)
     Superorder Rosanae Takht. (1967)
       Order Fagales Engl. (1892)
         1 Family Nothofagaceae Kuprian. (1962)
         2 Family Fagaceae Dumort. (1829), nom. cons. - beech family
         3 Family Corylaceae Mirb. (1815), nom. cons. see Subfamily Coryloideae (Mirb., 1815) Hook.f. (1870)
         4 Family Betulaceae Gray (1822), nom. cons. - birch family