Hieracium byzantinum (Boiss.) Zahn in Ascherson & Graebner, Syn. Mitteleur. Fl. 12(1): 69. 1922
Hieracium byzantinum in Ascherson & Graebner, Syn. Mitteleur. Fl. 12(1): 69. 1922
is new combination for Hieracium pilosella var. byzantinum, Fl. Orient. 3: 860. 1875
Hieracium byzantinum in Ascherson & Graebner, Syn. Mitteleur. Fl. 12(1): 69. 1922