Hieracium amplexicaule subsp. petraeum (Bluff & Fingerh.) Zahn in Schinz & Keller, Fl. Schweiz, ed. 3, 2: 463. 1914
Hieracium amplexicaule subsp. petraeum in Schinz & Keller, Fl. Schweiz, ed. 3, 2: 463. 1914
is new combination for Hieracium petraeum, Comp. Fl. German. 2: 296. 1825
Hieracium amplexicaule subsp. petraeum in Schinz & Keller, Fl. Schweiz, ed. 3, 2: 463. 1914