| Name | Eupatorium angustissimum Sprengel ex Baker |
| Authorship | Sprengel ex Baker |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Eupatorium Linnaeus |
| GUID | urn:lsid:ipni.org:names:1037592-2 |
| Citation | 1876 Fl. Bras. [Martius] 6(2): 325 |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Eupatorium angustissimum Sprengel ex Baker |
| Identification made in | [no date] (7), 1982 (2), 2007 (2) |