Systema naturæ - nature
   Universum - universe see [unranked] Mundus Plinius
     naturalia - natural bodies
       Regnum Vegetabile L. (1735), nom. inval. - plant kingdom see Kingdom Plantae Haeckel (1866)
         Publicæ
           Diclinia
             Class Polygamia L. (1735), nom. inval. see Class Polygamia L. (1753), nom. inval.
               Order Polygamia Trioecia L. (1735), nom. inval.
                 Genus Empetrum nom. inval.