Centaurea cuneifolia subsp. sublanata, (DC.)

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 : 271

(c) Subsp. sublanata (DC.) Hayek , loc. cit. (1931):

Stems simple or branched at the base. Leaves arachnoid-lanate, sometimes glabrescent; lower lyrate. Involucre 12-14x 7-8 mm; appendages black, the apex shortly spinose. Throughout the range of the species except Romania, but in some regions only casual.