| Name | Thesium strictum P. J. Bergius |
| Authorship | P. J. Bergius |
| Rank | Species |
| Placed in | Thesium |
| Citation | 1767 Descr. Pl. Cap. 73 |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Thesium strictum P. J. Bergius |
| Identification made in | [no date] (9) |