[Regnum Vegetabile] L. (1753), nom. inval. - plant kingdom see Kingdom Plantae Haeckel (1866)
   Class Syngenesia L. (1753), nom. inval.
     Order Polygamia frustranea L. (1753), nom. inval.
       1 Genus Helianthus L. (1753)
       2 Genus Rudbeckia L. (1753) - coneflower
       3 Genus Coreopsis L. (1753)
       4 Genus Centaurea L. (1753)