Launaea spinosa (Forssk.) Kuntze, 1891 Launaea spinosa (Forssk.) Kuntze, 1891is blocking name for Lactuca spinosa Lam., Encycl. 3: 408. 1792Taxon for this nameLaunaea spinosa (Forssk.) Kuntze, Revis. Gen. Pl. 1: 350. 1891