Campanula patula subsp. costae (Willk.) Nyman, Consp. Fl. Eur. 2: 482. 1879
Campanula patula subsp. costae, Consp. Fl. Eur. 2: 482. 1879
is new combination for Campanula costae in Willkomm & Lange, Prodr. Fl. Hispan. 2: 294. 1868
Campanula patula subsp. costae, Consp. Fl. Eur. 2: 482. 1879