Angiosperms - flowering plants see Subclass Magnoliidae Novák ex Takht. (1967)
   Mesangiosperms see Clade Mesangiospermae Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
     Eudicots see Clade Eudicotyledoneae Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
       Core eudicots see Clade Gunneridae Soltis, Soltis & Judd 2007 [Soltis, Soltis & Judd 2020]
         Superrosids see Clade Superrosidae Judd, Soltis & Soltis 2011 [Judd, Soltis & Soltis 2020]
           Rosids see Clade Rosidae Takhtajan 1967 [Judd, Cantino, Soltis & Soltis 2020]
             Fabids see Clade Fabidae Judd, Soltis & Soltis 2007 [Judd, Soltis, Soltis & Cantino 2020]
               Order Fagales Engl. (1892)
                 152 Family Nothofagaceae Kuprian. (1962)
                 153 Family Fagaceae Dumort. (1829), nom. cons. - beech family
                 154 Family Myricaceae Rich. ex Kunth (1817), nom. cons. - bayberry family
                 155 Family Juglandaceae DC. ex Perleb (1818), nom. cons. - walnut family
                 156 Family Casuarinaceae R.Br. (1814), nom. cons. - she-oak family
                 157 Family Ticodendraceae Gómez-Laur. & L.D.Gómez (1991)
                 158 Family Betulaceae Gray (1822), nom. cons. - birch family