Hieracium flagellare subsp. flagellare

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 : 369

(a) Subsp. flagellare :

Flowering stems up to 40 cm. Capitula 2—4(—7); peduncles with more or less numerous simple eglandular hairs 2-3 mm. Involucral bracts with few to numerous simple eglandular hairs up to 1 -5 mm. 2л = 36,45. Throughout the range of the species.