Campanula petrophila Rupr., Bull. Acad. Imp. Sci. Saint-Pétersbourg, III, 11: 212. 1867
is basionym for Campanula tridentata var. petrophila, Trudy Imp. S.-Peterburgsk. Bot. Sada 6: 58. 1879
Campanula petrophila, Bull. Acad. Imp. Sci. Saint-Pétersbourg, III, 11: 212. 1867