Campanula fenestrellata Feer subsp. fenestrellata
- =Campanula lepida Feer, J. Bot. 28: 273. 1890
- ≡Campanula garganica subsp. lepida (Feer) Hayek, Repert. Spec. Nov. Regni Veg. Beih. 30(2): 533. 1930
- =Campanula garganica var. istriaca (Feer) Fiori & Paol. in Fiori & al., Fl. Italia 3: 182. 1903
- ≡Campanula garganica subsp. istriaca (Feer) Hayek, Repert. Spec. Nov. Regni Veg. Beih. 30(2): 534. 1930