| Sonchus cervicornis (Boiss.) Nyman | Launaea cervicornis (Boiss.) Font Quer & Rothm. trib. Cichorieae |
| Sonchus dianthoseris Chiov. | Crepis dianthoseris N.Kilian & al. trib. Cichorieae |
| Sonchus quercifolius Desf. | Launaea quercifolia (Desf.) Pamp. trib. Cichorieae |
| Sonchus scapiformis Thell. | Lactuca tysonii (E.Phillips) C.Jeffrey trib. Cichorieae |
| Sonchus scorzoneriformis Lag. | Launaea pumila (Cav.) Kuntze trib. Cichorieae |
| Sonchus spinosus cervicornis (Boiss.) Lange | Launaea cervicornis (Boiss.) Font Quer & Rothm. trib. Cichorieae |
| Sonchus tysonii E.Phillips | Lactuca tysonii (E.Phillips) C.Jeffrey trib. Cichorieae |