plants Haeckel (1866) - plants
   Division Charophyta Migula (1889) - charophyte algae and embryophytes see charophytes
     Subdivision [Streptophytina] see [unranked] Streptophytina Lewis & McCourt (2004)
       Class Equisetopsida C.Agardh (1825) - horsetails see Subclass Equisetidae Warm. (1883)
         Vascular Plants see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
           [Seed-Plants; Spermatophyta]
             Subclass Magnoliidae Novák ex Takht. (1967) - angiosperms
               'Eudicots' [Dicotyledons s.s.] see Clade Eudicotyledoneae Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
                 ['Core Eudicots'] see Clade Gunneridae Soltis, Soltis & Judd 2007 [Soltis, Soltis & Judd 2020]
                   [Rosids] see Clade Rosidae Takhtajan 1967 [Judd, Cantino, Soltis & Soltis 2020]
                     Order Fagales Engl. (1892)
                       1 Family Nothofagaceae Kuprian. (1962)
                       2 Family Fagaceae Dumort. (1829), nom. cons. - beech family
                       3 Family Myricaceae Rich. ex Kunth (1817), nom. cons. - bayberry family
                       4 Family Juglandaceae DC. ex Perleb (1818), nom. cons. - walnut family
                       5 Family Casuarinaceae R.Br. (1814), nom. cons. - she-oak family
                       6 Family Ticodendraceae Gómez-Laur. & L.D.Gómez (1991)
                       7 Family Betulaceae Gray (1822), nom. cons. - birch family