Flora van Nederland Haeckel (1866) - plants
   Division Spermatophyta Goebel (1882) see Phylum Spermatophyta Goebel (1882)
     Subdivision Angiospermae J. Lindley (1830) see Infraphylum Angiospermae auct.
       Class Dicotyledones see Class Magnoliopsida Brongn. (1843)
         Order Fagales Engl. (1892)
           Family Fagaceae Dumort. (1829), nom. cons. - beech family
             Genus Quercus L. (1753) - oak
               1 Quercus cerris L. - European turkey oak
               2 Quercus rubra L. - northern red oak
               3 Quercus palustris Münchh. (1770) - pin oak
               4 Quercus robur L. - English oak
               5 Quercus petraea (Mattuschka) Lieblein - durmast oak