| Acanthus carduifolius L.f. | Acanthopsis carduifolia (L.f.) Schinz |
| Acanthus glaucus E.Mey. ex Nees | Acanthopsis glauca (E.Mey ex Nees) Schinz |
| Acanthus humilis Vahl ex Nees | Blepharis sinuata (Nees) C.B.Clarke |
| Acanthus spinulosus Host | Acanthus spinosus L. |