| Name | Eupatorium umbrosum Klatt |
| Authorship | Klatt |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Eupatorium Linnaeus |
| GUID | urn:lsid:ipni.org:names:207155-1 |
| Citation | 1886 Bot. Jahrb. Syst. 8: 35 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Eupatorium umbrosum Klatt |
| Identification made in | [no date] (1), 1982 (1) |