[Regnum Vegetabile] L. (1753), nom. inval. - plant kingdom see Kingdom Plantae Haeckel (1866)
   Class Monoecia L. (1753), nom. inval. - monoecious plants
     Order Monoecia Pentandria L. (1753), nom. inval.
       1 Genus Xanthium L. (1753)
       2 Genus Ambrosia L. (1753)
       3 Genus Parthenium L. (1753)
       4 Genus Iva L. (1753)
       5 Genus Amaranthus L. (1753)