Natura - nature
   Universum - universe see [unranked] Mundus Plinius
     naturalia - natural bodies
       Vegetabile Regnum nom. inval. - plant kingdom see Kingdom Plantae Haeckel (1866)
         Publicae
           Monoclinia
             Diffinitas
               Indifferentismus
                 Class Octandria L. (1735), nom. inval. see Class Octandria L. (1753), nom. inval.
                   Order Octandria Trigynia L. (1735), nom. inval. see Order Octandria Trigynia L. (1753), nom. inval.
                     Genus Polygonum nom. inval. see Genus Polygonum L. (1753)
                       1 '389' Subgenus Polygonum subg. Persicaria nom. inval.
                       2 '390' Subgenus Polygonum subg. Bistorta nom. inval.
                       3 '392' Subgenus Polygonum subg. Helxine nom. inval.