Sonchus alpinus L., Sp. Pl.: 794. 1753
Sonchus alpinus, Sp. Pl.: 794. 1753
is basionym for Lactuca alpina, Syn. Fl. N. Amer. 1(2): 444. 1884
is basionym for Cicerbita alpina, Sched. Crit.: 434. 1822
is basionym for Mulgedium alpinum, Syn. Gen. Compos.: 142. 1832
Sonchus alpinus, Sp. Pl.: 794. 1753