Centaurea grinensis subsp. grinensis

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 : 268

(a) Subsp. grinensis ( C. tenuifolia auct., non Dufour, пес Salisb.): Stems up to 100 cm, sparingly branched. Leaf-segments lanceolate. Involucre 14-15 mm in diameter; appendages with 3-5 fimbriae on each side. Outer florets slightly longer than the inner. Pappus slightly shorter than achene. 5. Alps.