[Regnum Vegetabile] L. (1753), nom. inval. - plant kingdom see Kingdom Plantae Haeckel (1866)
   Class Monoecia L. (1753), nom. inval. - monoecious plants
     Order Monoecia Tetrandria L. (1753), nom. inval.
       1 Genus Betula L. (1753) - birches
       2 Genus Buxus L. (1753)
       3 Genus Urtica L. (1753) - nettle
       4 Genus Morus L. (1753) - mulberry tree