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 Monogynia" L. (1735), nom. inval.] see Order Pentandria Monogynia L. (1753), nom. inval.
                       ["Fl. Imperfecti"]
                         1.0 [Genus "Cervi spina" nom. inval.] see Genus Rhamnus Tourn., nom. inval.
                         5 [Genus "Paronychia" nom. inval.]
                         6 [Genus "Persicaria" nom. inval.] see Subgenus Polygonum subg. Persicaria nom. inval.