| Name | Thaspium montanum var. tenuifolium A. Gray |
| Authorship | A. Gray |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Thaspium montanum A. Gray |
| GUID | urn:lsid:ipni.org:names:250919-2 |
| Citation | 1853 Smithsonian Contr. Knowl. 5(6): 65 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Thaspium montanum var. tenuifolium A. Gray |
| Identification made in | [no date] (1), 2007 (2) |