Campanula glomerata subsp. glomerata

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 : 85

(a) Subsp. glomerata :

Stem 20-40(-80) cm. Lower leaves much shorter than the erect stem, pubescent or hirsute. Inflorescence interrupted, the branches with fascicles of flowers at the apex. Throughout the range of the species.