[Regnum Vegetabile] L. (1753), nom. inval. - plant kingdom see Kingdom Plantae Haeckel (1866)
   Class Diandria L. (1753), nom. inval.
     Order Diandria Monogynia L. (1753), nom. inval.
       Genus Syringa L. (1753)
         1 Syringa vulgaris L. (1753) - common lilac
         2 Syringa persica L. (1753) - Persian lilac