Cirsium paniculatum Lam., 1779 Cirsium paniculatum Lam., 1779is earlier homonym of Cirsium paniculatum Porta in Atti Imp. Regia Accad. Roveretana, ser. 2, 9: 38. 1892is earlier homonym of Cirsium paniculatum Spreng., Syst. Veg. 3: 371. 1826This name is not assigned to any taxon.