[Regnum Vegetabile] L. (1753), nom. inval. - plant kingdom see Kingdom Plantae Haeckel (1866)
   Class Dioecia L. (1753), nom. inval. - dioecious plants
     Order Dioecia Octandria L. (1753), nom. inval.
       1 Genus Populus L. (1753) - poplars
       2 Genus Rhodiola L. (1753)