| Name | Eupatorium ageratoides var. angustatum A. Gray |
| Authorship | A. Gray |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Eupatorium ageratoides Linnaeus f. |
| GUID | urn:lsid:ipni.org:names:99445-2 |
| Citation | 1884 Syn. Fl. N. Amer. 1(2): 101 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Eupatorium ageratoides var. angustatum A. Gray |
| Identification made in | [no date] (2), 1981 (1) |