Carduus afer Jacq., Pl. Hort. Schoenbr. 2: 10. 1797
Carduus afer, Pl. Hort. Schoenbr. 2: 10. 1797
is basionym for Cnicus afer, Sp. Pl. 3: 1682. 1803
is basionym for Ptilostemon afer in Boissiera 13: 147. 1967
is basionym for Chamaepeuce afra, Prodr. 6: 659. 1838
is basionym for Cirsium afrum, Cat. Jard. Gorenki, ed. 1812: 35. 1812
Carduus afer, Pl. Hort. Schoenbr. 2: 10. 1797