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
           Monoclinia
             Diffinitas
               Indifferentismus
                 Class Heptandria L. (1735), nom. inval. see Class Heptandria L. (1753), nom. inval.
                   Order Heptandria Monogynia L. (1735), nom. inval. see Order Heptandria Monogynia L. (1753), nom. inval.
                     Genus Hippocastanum nom. inval. see Genus Hippocastanum Mill. (1754), nom. illeg.