Campanula sibirica var. caucasica (M. Bieb.) Trautv., Trudy Imp. S.-Peterburgsk. Bot. Sada 6: 61. 1879
Campanula sibirica var. caucasica, Trudy Imp. S.-Peterburgsk. Bot. Sada 6: 61. 1879
is new combination for Campanula caucasica, Tabl. Prov. Mer Casp.: 140. 1798
Campanula sibirica var. caucasica, Trudy Imp. S.-Peterburgsk. Bot. Sada 6: 61. 1879