|
Hieracium nigrescens subsp. heterocalathium
|
|
|
Vogt, Robert & Gottschlich, Günter, 2023, Type material in the Hieracium (Compositae: Cichorieae) collection of Joseph Bornmüller, Phytotaxa 613 (2), pp. 81-126
: 106-107
|
106-107 |
|
Hieracium nigrescens
|
|
|
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
: 392
|
392 |
