Hieracium aurantiacum subsp. aurantiacum

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 : 374

(a) Subsp. aurantiacum :

Stolons rather short and mostly underground. Rosette-leaves 100-200(-300) x 22-60(-70) mm, lanceolate. Involucral bracts 8-11 mm. In = 36. Mainly in the Alps and W. Carpathians.