Hieracium robustum, Taxa Only, Exact Match: 3 Treatments

Hieracium robustum	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 : 406-407	406-407
Hieracium robustum	Chifu, Toader, Manzu, Ciprian & Zamfiresen, Oana, 2006, Flora Moldovei - Flora, Iasi: Editura Universitatii ' Alexandru Ioan Cuza' : 206	206
Hieracium robustum var. gaubae	Vogt, Robert & Gottschlich, Günter, 2023, Type material in the Hieracium (Compositae: Cichorieae) collection of Joseph Bornmüller, Phytotaxa 613 (2), pp. 81-126 : 112	112