| Name | Eupatorium eucosmum B. L. Robinson |
| Authorship | B. L. Robinson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Eupatorium Linnaeus |
| GUID | urn:lsid:ipni.org:names:99942-2 |
| Citation | 1920 Contr. Gray Herb. 61: 6 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Eupatorium eucosmum B. L. Robinson |
| Identification made in | [no date] (3), 1982 (2) |