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CCDB → Angiosperms → Rubiaceae → Crucianella
| Taxon name | Status | Median (n) |
| Crucianella aegyptiaca L. | Accepted | 11 |
| Crucianella angustifolia L. | Accepted | 11 |
| Crucianella chlorostachys Fisch. & C. A. Mey. | Accepted | 11 |
| Crucianella gilanica Trin. | Accepted | 11 |
| Crucianella graeca Boiss. | Accepted | 11 |
| Crucianella imbricata Boiss. | Accepted | 11 |
| Crucianella latifolia L. | Accepted | 22 |
| Crucianella macrostachya Boiss. | Accepted | 11 |
| Crucianella maritima L. | Accepted | 11 |
| Crucianella patula L. | Accepted | 11 |
| Crucianella sintenisii Bornm. | Accepted | 11 |
| Crucianella herbacea Forssk. | Synonym of Crucianella aegyptiaca L. | 11 |
| Crucianella glauca A. Rich. ex DC. | Synonym of Crucianella gilanica subsp. glauca (A. Rich.) Ehrend. | 11 |
| Crucianella rupestris Guss. | Synonym of Crucianella maritima L. | 11 |
| Crucianella stylosa Trin. | Synonym of Phuopsis stylosa (Trin.) Hook. ex B. D. Jacks. | 9 |