| Name | Eupatorium perornatum Klatt |
| Authorship | Klatt |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Eupatorium Linnaeus |
| GUID | urn:lsid:ipni.org:names:100636-2 |
| Citation | 1884 Leopoldina 20: 90 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Eupatorium perornatum Klatt |
| Identification made in | [no date] (4), 1981 (2) |