| Name | Eupatorium palmeri var. tonsum B. L. Robinson |
| Authorship | B. L. Robinson |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Eupatorium palmeri A. Gray |
| GUID | urn:lsid:ipni.org:names:100577-2 |
| Citation | 1906 Proc. Amer. Acad. Arts 42: 43 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Eupatorium palmeri var. tonsum B. L. Robinson |
| Identification made in | [no date] (2), 1981 (1), 1987 (2) |