| Name | Thaspium trifoliatum var. apterum A. Gray |
| Authorship | A. Gray |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Thaspium trifoliatum A. Gray |
| GUID | urn:lsid:ipni.org:names:250922-2 |
| Citation | 1856 Manual [A. Gray], ed. 2. 156 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Thaspium trifoliatum var. apterum A. Gray |
| Identification made in | [no date] (1) |