Imperium naturæ C. Linnaeus, 1758 - nature
   Mundus Plinius - physical world
     naturalia - natural bodies
       Regnum Animale C. Linnaeus, 1758 - animal kingdom see Kingdom Animalia Linnaeus, 1758
         Class Insecta Linnaeus, 1758 - insects
           Order Hemiptera Linnaeus, 1758 - true bugs
             Genus Cimex Linnaeus, 1758
               Membranacei Linnaeus, 1758
                 13 Cimex corticalis Linnaeus, 1758
                 14 Cimex betulae Linnaeus, 1758
                 15 Cimex erosus Linnaeus, 1758
                 16 Cimex filicis Linnaeus, 1758
                 17 Cimex cardui Linnaeus, 1758 see Tingis cardui (C. Linnaeus, 1758)