Carduus crispus subsp. multifiorus, (Gaudin) Franco

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 : 225

(b) Subsp. multifiorus (Gaudin) Franco , Bot. Jour. Linn. Soc. 71: 48 (1975)

( C. multiflorus Gaudin ):

Wings of stem with triangular lobes, the veins distinctly raised beneath. Cauline leaves lobed for up to | of way to midrib, with 6-8 pairs of lobes, each with an apical spine up to 3 mm, the veins more or less raised, greenish and sparsely hairy beneath. Inner involucral bracts purplish. • W. & N. W. Europe.