[Regnum Vegetabile] L. (1753), nom. inval. - plant kingdom see Kingdom Plantae Haeckel (1866) Class Polygamia L. (1753), nom. inval. 1 Order Polygamia Monoecia L. (1753), nom. inval. 2 Order Polygamia Dioecia L. (1753), nom. inval. 3 Order Polygamia Polyoecia L. (1753), nom. inval.