Centaurea micrantha subsp. melanosticta

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 : 277

(c) Subsp. melanosticta (Lange) Dostál , loc. cit. (1976)

( C. limbata var. melanosticta Lange ):

Involucre 5-6 mm in diameter; appendages black, the apex 0-5-0-7 mm, the fimbriae c. 0-5 mm. Pappus c. I as long as achene. Almost throughout the range of the species.