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
             Affinitas
               Class Gynandria L. (1735), nom. inval. see Class Gynandria L. (1753), nom. inval.
                 Order Gynandria Polyandria L. (1735), nom. inval. see Order Gynandria Polyandria L. (1753), nom. inval.
                   Genus Bucca ferrea P.A. Micheli, nom. inval. see Genus Ruppia nom. inval.