Carduus carlinoides subsp. carlinoides

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 : 230

(a) Subsp. carlinoides :

Leaves with 10-14 pairs of large lobes. Involucral bracts 1 -5-2-5 mm wide, oblong-lanceolate, with an apical spine 1 -5-2-5 mm, the inner ly times as long asthe inner middle bracts. Pyrenees, Cordillera Cantábrica.