Campanula rotundifolia subsp. praesignis (Beck) Hayek in Hegi, Ill. Fl. Mitt.-Eur. 6: 353. 1916
Campanula rotundifolia subsp. praesignis in Hegi, Ill. Fl. Mitt.-Eur. 6: 353. 1916
is new combination for Campanula praesignis, Fl. Nieder-Österreich 2: 1105. 1892
Campanula rotundifolia subsp. praesignis in Hegi, Ill. Fl. Mitt.-Eur. 6: 353. 1916