| Name | Eupatorium trigonum Gardner |
| Authorship | Gardner |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Eupatorium Linnaeus |
| GUID | urn:lsid:ipni.org:names:207121-1 |
| Citation | 1847 London J. Bot. 6: 446 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Eupatorium trigonum Gardner |
| Identification made in | [no date] (4), 1982 (1), 2008 (1) |