| Name | Cirsium trachylomum S. F. Blake |
| Authorship | S. F. Blake |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Cirsium Miller |
| GUID | urn:lsid:ipni.org:names:196126-1 |
| Citation | 1935 J. Wash. Acad. Sci. 25: 322 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Cirsium trachylomum S. F. Blake |
| Identification made in | [no date] (2), 1987 (1) |