| Name | Eupatorium klattii Millspaugh |
| Authorship | Millspaugh |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Eupatorium Linnaeus |
| GUID | urn:lsid:ipni.org:names:206184-1 |
| Citation | 1900 Publ. Field Columb. Mus., Bot. Ser. 2: 105 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Eupatorium klattii Millspaugh |
| Identification made in | [no date] (2), 1982 (1) |