| Cnicus esculentus | Cirsium esculentum (Siev.) C.A.Mey. trib. Cardueae |
| Cnicus gmelinii | Cirsium esculentum (Siev.) C.A.Mey. trib. Cardueae |
| Cnicus mitissimus | Carthamus mitissimus L. trib. Cardueae |
| Cnicus quercetorum | Cirsium quercetorum (A.Gray) Jeps. trib. Cardueae |
| Cnicus souliei | Cirsium souliei (Franch.) Mattf. ex Rehder & Kobuski trib. Cardueae |
| Cnicus spinosissimus | Cirsium spinosissimum (L.) Scop. trib. Cardueae |
| Cnicus tioganus | Cirsium tioganum (Congdon) Petr. trib. Cardueae |