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 "Pentandria" L. (1735), nom. inval.] see Class Pentandria L. (1753), nom. inval.
                     [Order "Pentandria Trigynia" L. (1735), nom. inval.] see Order Pentandria Trigynia L. (1753), nom. inval.
                       [Genus "Viburnum" nom. inval.] see Genus Viburnum L. (1753)
                         1 Subgenus "Viburnum subg. Tinus" nom. inval.
                         2 Subgenus "Viburnum subg. Opulus" Tourn., nom. inval.