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CCDB → Angiosperms → Santalaceae → Thesium
| Taxon name | Status | Median (n) |
| Thesium alpinum L. | Accepted | 6 |
| Thesium bavarum Schrank | Accepted | 8 |
| Thesium bergeri Zucc. | Accepted | 8 |
| Thesium divaricatum Jan ex Mert. & W. D. J. Koch | Accepted | 8 |
| Thesium ebracteatum Hayne | Accepted | 12 |
| Thesium humifusum DC. | Accepted | 8 |
| Thesium humile Vahl | Accepted | 9 |
| Thesium italicum A. DC. | Accepted | 8 |
| Thesium linophyllon L. | Accepted | 12 |
| Thesium linophyllum L. | Accepted | 12 |
| Thesium parnassi A. DC. | Accepted | 7 |
| Thesium pyrenaicum Pourr. | Accepted | 7 |
| Thesium rostratum Mert. & W. D. J. Koch | Accepted | 13 |
| Thesium wightianum Wall. | Unresolved | 10 |
| Thesium montanum Ehrh. ex Hoffm. | Synonym of Thesium bavarum Schrank | 8 |
| Thesium intermedium Schrad. | Synonym of Thesium linophyllon L. | 12 |