| bulgaria | smolyan province | centaurea pichleri | species | 2 | 0 |
| lebanon | | centaurea pichleri | species | 3 | 0 |
| turkey | | centaurea pichleri | species | 12 | 0 |
| turkey | bursa province | centaurea pichleri subsp. pichleri | subspecies | 3 | 0 |
| turkey | kuetahya province | centaurea pichleri subsp. pichleri | subspecies | 2 | 0 |