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 Syngenesia L. (1735), nom. inval. see Class Syngenesia L. (1753), nom. inval.
                 Order Polygamia frustranea L. (1735), nom. inval. see Order Polygamia frustranea L. (1753), nom. inval.
                   Radiati Tourn., nom. inval. see Order Polygamia frustranea L. (1735), nom. inval.
                     1 Genus Helianthus nom. inval. see Genus Helianthus L. (1753)
                     1.0 Genus Corona Solis Tourn., nom. inval. see Genus Helianthus nom. inval.
                     2 Genus Rudbeckia nom. inval. see Genus Rudbeckia L. (1753)
                     2.0 Genus Obelijcotheca S. Vaillant, nom. inval. see Genus Rudbeckia nom. inval.