| 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) |