Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         ["Vegetabile Regnum" nom. inval. - plant kingdom] see Kingdom Plantae Haeckel (1866)
           ["Publicae"]
             ["Monoclinia"]
               ["Affinitas"]
                 16 [Class "Monadelphia" L. (1735), nom. inval.] see Class Monadelphia L. (1753), nom. inval.
                 17 [Class "Diadelphia" L. (1735), nom. inval.] see Class Diadelphia L. (1753), nom. inval.
                 18 [Class "Polyadelphia" L. (1735), nom. inval.] see Class Polyadelphia L. (1753), nom. inval.
                 19 [Class "Syngenesia" L. (1735), nom. inval.] see Class Syngenesia L. (1753), nom. inval.
                 20 [Class "Gynandria" L. (1735), nom. inval.] see Class Gynandria L. (1753), nom. inval.