Aster sedifolius subsp. canus, (Waldst. & Kit.) Merxm.

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 : 116

(c) Subsp. canus (Waldst. & Kit.) Merxm. , loc. cit. (1974)

( A. canus Waldst. & Kit. ):

Leaves grey, with arachnoid, often somewhat fioccose indumentum, glandular-punctate and scabrid at least at the margin. Outer involucral bracts arachnoid-hairy, the inner often viscid-shining. Ligules 8-12. • E.C. & S.E. Europe.