Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         ["Regnum Vegetabile" L. (1753), nom. inval. - plant kingdom] see Kingdom Plantae Haeckel (1866)
           [Class "Monoecia" L. (1753), nom. inval. - monoecious plants]
             01 [Order "Monoecia Monandria" L. (1753), nom. inval.]
             02 [Order "Monoecia Diandria" L. (1753), nom. inval.]
             03 [Order "Monoecia Triandria" L. (1753), nom. inval.]
             04 [Order "Monoecia Tetrandria" L. (1753), nom. inval.]
             05 [Order "Monoecia Pentandria" L. (1753), nom. inval.]
             06 [Order "Monoecia Hexandria" L. (1753), nom. inval.]
             07 [Order "Monoecia Heptandria" L. (1753), nom. inval.]
             08 [Order "Monoecia Polyandria" L. (1753), nom. inval.]
             09 [Order "Monoecia Monadelphia" L. (1753), nom. inval.]
             10 [Order "Monoecia Syngenesia" L. (1753), nom. inval.]
             11 [Order "Monoecia Gynandria" L. (1753), nom. inval.]