| Name | Thalictrum squarrosum Stephen ex Willdenow |
| Authorship | Stephen ex Willdenow |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Thalictrum Linnaeus |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Thalictrum squarrosum Stephen ex Willdenow |
| Identification made in | [no date] (1) |