Hieracium hypoleucum subsp. nisorium (Nägeli & Peter) Zahn in Schinz & Keller, Fl. Schweiz, ed. 2, 2: 250. 1905
Hieracium hypoleucum subsp. nisorium in Schinz & Keller, Fl. Schweiz, ed. 2, 2: 250. 1905
is new combination for Hieracium velutellum subsp. nisorium, Hierac. Mitt.-Eur. 1: 274. 1885
Hieracium hypoleucum subsp. nisorium in Schinz & Keller, Fl. Schweiz, ed. 2, 2: 250. 1905