| Name | Eupatorium oblongifolium f. odoratissima Hassler |
| Authorship | Hassler |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Eupatorium oblongifolium Baker |
| GUID | urn:lsid:ipni.org:names:100505-2 |
| Citation | 1915 Repert. Spec. Nov. Regni Veg. 14: 285 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Eupatorium oblongifolium f. odoratissima Hassler |
| Identification made in | [no date] (1), 1982 (1) |