| Name | Eupatorium madrense S. Watson |
| Authorship | S. Watson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Eupatorium Linnaeus |
| GUID | urn:lsid:ipni.org:names:206315-1 |
| Citation | 1891 Proc. Amer. Acad. Arts 26: 137 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Eupatorium madrense S. Watson |
| Identification made in | [no date] (1), 1982 (1) |