[Regnum Vegetabile] L. (1753), nom. inval. - plant kingdom see Kingdom Plantae Haeckel (1866) Class Cryptogamia L. (1753) Order Algae L. (1753) Genus Tremella Dill. ex L. (1753), nom. inval. see Genus Nostoc Vaucher ex Bornet & Flahault (1888)