| Petrorhagia prolifera (L.) P. W. Ball & Heywood | | a | | Petrorhagia prolifera (L.) P. W. Ball & Heywood | | 310842 | |
| Petrorhagia saxifraga (L.) Link | | a | | Petrorhagia saxifraga (L.) Link | | 407975 | |
| Petrorhagia nanteuilii (Burnat) P. W. Ball & Heywood | | a | | Petrorhagia nanteuilii (Burnat) P. W. Ball & Heywood | | 415245 | |
| Petrorhagia velutina (Guss.) P. W. Ball & Heywood | Petrorhagia dubia (Raf.) G. López & Romo | | | Petrorhagia velutina (Guss.) P. W. Ball & Heywood | Petrorhagia dubia (Raf.) G. López & Romo | 415246 | 415247 |
| Petrorhagia dubia (Raf.) G. López & Romo | | a | | Petrorhagia dubia (Raf.) G. López & Romo | | 415247 | |
| Petrorhagia spp. | | a | | Petrorhagia spp. | | 461234 | |