Systema naturæ - nature Universum - universe see [unranked] Mundus Plinius naturalia - natural bodies Regnum Vegetabile L. (1735), nom. inval. - plant kingdom see Kingdom Plantae Haeckel (1866) Publicæ Diclinia Class Monoecia L. (1735), nom. inval. see Class Monoecia L. (1753), nom. inval. Order Monoecia Tetrandria L. (1735), nom. inval. see Order Monoecia Tetrandria L. (1753), nom. inval. Genus Betula nom. inval. see Genus Betula L. (1753)