[Regnum Vegetabile] L. (1753), nom. inval. - plant kingdom see Kingdom Plantae Haeckel (1866) Class Decandria L. (1753), nom. inval. Order Decandria Monogynia L. (1753), nom. inval. Genus Guajacum L. (1753) see Genus Guaiacum L. (1753)