Achillea setacea, Waldst. & Kit.

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 : 163

26. A. setacea Waldst. & Kit. , Pl. Rar. Hung. 1: 82 (1801— 1802).

Stems 15-30(-45) cm, erect or ascending, simple, with 12-20 internodes. Middle cauline leaves c. 3 x 0-5 cm, narrowly lanceolate in outline, 3-pinnatisect, pubescent to sericeous, the rhachis c. 0-5 mm wide, entire; primary segments c. 2 mm, more or less orbicular in outline, the rhachis c. 0-4 mm wide; lobes filiform, patent. Involucre c. 3 x 1-5-2-5 mm; bracts more or less evenly pubescent. Ligules white. 2л =18. Dry places. S., S.E.

& S.C. Europe, westwards to S.W. Switzerland, and extending northwards to 56° N. in C. Russia. Au Bu Cz Ge Gr He?Hs Hu It Ju Po?Rm Rs (C, W, К, E).

Records from the Iberian peninsula probably all refer to 24 (a), 31 and hybrids described under 33.