| Name | Eupatorium pacificum B. L. Robinson |
| Authorship | B. L. Robinson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Eupatorium Linnaeus |
| Citation | 1931 Proc. Calif. Acad. Sci. 20: 99 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Eupatorium pacificum B. L. Robinson |
| Identification made in | [no date] (2), 1987 (1) |