Carduncellus pinnatus, (Desf.) 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 : 303

3. C. pinnatus (Desf.) DC. , Prodr. 6: 614 (1838).

Acaulescent, sometimes with stem 2-20 cm and with cauline leaves. Leaves pinnate, glabrous but the rhachis somewhat lanate to arachnoidhairy; pinnae (8—) 11—13(—15) pairs, ovate to lanceolate-ovate, glaucous. Outer involucral bracts appressed, dentate or pinnatifid towards the apex, with margin and apex spiny, as long as or shorter than the inner. Achenes c. 7 mm, broadly obpyramidal, rugose, with sharp, somewhat prominent angles, reddish-brown; pappus-setae subpiumose, reddish-brown, 3-4 times as long as the achene. C. Spain, Sicilia.?B1 Hs Si. (N. Africa.)

Plants from Spain, described as subsp. matritensis (Pau) Rivas Goday & Rivas Martinez , Anal. Inst. Bot. Cavanilles 25: 192 (1967), are distinguished by the decurrent pinnae and more plumose pappus-setae.