Achillea roseo-alba, Ehrend.

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

28. A. roseo-alba Ehrend. , Österr. Bot. Zeitschr. 106: 368 (1959)

(26x27). Stems (15-)30-50(-100) cm, erect, simple or branched, with (4-)9-13(-20) internodes. Middle cauline leaves 1-4 x 0-4-0-8 cm, narrowly lanceolate to linear in outline, (2-)3- pinnatifid, pubescent to subglabrous, the rhachis О-6-О-8 mm wide, entire; primary segments c. 5 mm, ovate to lanceolate in outline, the rhachis c. 0-6 mm wide. Involucre (2-5-)3-4 x 2-5 mm; bracts subglabrous. Ligules pale pink or white. 2л =18, 36. Waste places and disturbed ground. • S. &C. Europe from N. Italy to Jugoslavia. Au Ge He It Ju.

Introgression with 27 occurs. Plants like 28 also occur elsewhere in Europe. They are probably transient hybrids between 26 and 27.