Centaurea debeauxii subsp. thuillieri

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 : 293

(c) Subsp. thuillieri Dostál , op. cit. 207 (1976)

( C. pratensis Thuill. , non Salisb.):

Leaves green. Involucre 10-14 mm in diameter, ovoid-globose; appendages dark brown, ovate- to narrowly triangular, almost covering the bracts, the fimbriae as long as the width of the appendage, brown, 12-16 on each side. Outerflorets radiate. Throughout the range of the species.