Centaurea boissieri subsp. pinae, DC., Prodr.

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 : 280

(h) Subsp. pinae (Pau) Dostál , loc. cit. (1976)

( C. pinae Pau ):

Stems decumbent. Leaves lanate on both surfaces; lower pinnatisect. Involucre 16-20 mm, ovoid; appendages with a short, recurved apical spine. Florets pink. • E. Spain (provs. Castellón, Teruel).