Campanula rotundifolia var. bulgarica Nejceff in God. Sofiisk. Univ. 2: 140. 1906
Campanula rotundifolia var. bulgarica in God. Sofiisk. Univ. 2: 140. 1906
is replaced synonym for Campanula nejceffii in Phytotaxa 329: 73. 2017
is replaced synonym for Campanula rotundifolia f. nejceffii in Repert. Spec. Nov. Regni Veg. Beih. 30(2): 538. 1931
non Campanula bulgarica in Magyar Bot. Lapok 5: 244. 1906
Campanula rotundifolia var. bulgarica in God. Sofiisk. Univ. 2: 140. 1906