[Regnum Vegetabile] L. (1753), nom. inval. - plant kingdom see Kingdom Plantae Haeckel (1866)
   Class Monoecia L. (1753), nom. inval. - monoecious plants
     Order Monoecia Monandria L. (1753), nom. inval.
       1 Genus Zannichellia L. (1753)
       2 Genus Callitriche L. (1753)
       3 Genus Ceratocarpus L. (1753)
       4 Genus Cynomorium L. (1753)