Centaurea cineraria subsp. cinerea, (Lam.) Dostal

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 : 270

(c) Subsp. cinerea (Lam.) Dostál , loc. cit. (1976)

(C. cinerea Lam. ):

Plant grey-tomentose, rarely subglabrous. Stems erect. Lower leaves lyrate, with 3-5 segments on each side. Capitula long-pedunculate. Involucre up to 30 mm in diameter, ovoid. Sicilia (near Palermo),?S. Italy.