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"]
               ["Diffinitas"]
                 ["Indifferentismus"]
                   [Class "Icosandria" L. (1735), nom. inval.] see Class Icosandria L. (1753), nom. inval.
                     [Order "Icosandria Monogynia" L. (1735), nom. inval.] see Order Icosandria Monogynia L. (1753), nom. inval.
                       [Genus "Prunus" nom. inval.] see Genus Prunus L. (1753)
                         1 Subgenus "Prunus subg. Cerasus" nom. inval.
                         2 Subgenus "Prunus subg. Padus" nom. inval.