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"]
                 [Class "Diadelphia" L. (1735), nom. inval.] see Class Diadelphia L. (1753), nom. inval.
                   [Order "Diadelphia Hexandria" L. (1735), nom. inval.] see Order Diadelphia Hexandria L. (1753), nom. inval.
                     [Genus "Fumaria" Tourn., nom. inval.] see Genus Fumaria L. (1753)