Campanula thyrsoides subsp. thyrsoides

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1976, Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae), Cambridge University Press : 86

(a) Subsp. thyrsoides :

Stem 30-40 cm. Inflorescence compact, ovoid or oblong, dense. Bracts as long as flowers. Subalpine limestone rocks and meadows. • Jura, Alps and mountains of Balkan peninsula.