Sonchus spinosus Lam., Fl. Franç. 2: 86. 1779 Sonchus spinosus Lam., Fl. Franç. 2: 86. 1779is earlier homonym of Sonchus spinosus (Forssk.) DC., Prodr. 7: 189. 1838Taxon for this nameSonchus spinosus Lam., Fl. Franç. 2: 86. 1779