[plants] Haeckel (1866) - plants
   vascular plants see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
     euphyllophytes see Clade Euphyllophyta Lecointre & Le Guyader 2006 [Cantino & Donoghue 2020]
       Spermatophyta Britton & Brown 1896 [Crane & Kenrick 1997], nom. cl. inval. - seed plants see Clade Spermatophyta Britton & Brown 1896 [Cantino, Doyle & Donoghue 2020]
         Class Magnoliopsida Brongn. (1843)
           "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]
               Rosidae Takht. (1967) see Superorder Rosanae Takht. (1967)
                 Fabids see Clade Fabidae Judd, Soltis & Soltis 2007 [Judd, Soltis, Soltis & Cantino 2020]
                   Order Fagales Engl. (1892)
                     1.1 Family Nothofagaceae Kuprian. (1962)
                     1.2 Family Fagaceae Dumort. (1829), nom. cons. - beech family
                     2 Family Myricaceae Rich. ex Kunth (1817), nom. cons. - bayberry family
                     3 Family Ticodendraceae Gómez-Laur. & L.D.Gómez (1991)
                     4 Family Betulaceae Gray (1822), nom. cons. - birch family
                     5 Family Casuarinaceae R.Br. (1814), nom. cons. - she-oak family
                     6 Family Juglandaceae DC. ex Perleb (1818), nom. cons. - walnut family
                     7 Family Rhoipteleaceae Hand.-Mazz. (1932), nom. cons. - Rhoiptelea family see Family Juglandaceae DC. ex Perleb (1818), nom. cons.