Sonchus macrophyllus Willd., Sp. Pl. 3: 1519. 1803
Sonchus macrophyllus, Sp. Pl. 3: 1519. 1803
is basionym for Mulgedium macrophyllum, Prodr. 7: 248. 1838
is basionym for Cicerbita macrophylla, Sched. Crit.: 434. 1822
is basionym for Lactuca macrophylla, Syn. Fl. N. Amer. 1(2): 444. 1884
Sonchus macrophyllus, Sp. Pl. 3: 1519. 1803