| Name | Eupatorium semiserratum de Candolle |
| Authorship | de Candolle |
| Rank | Species |
| Placed in | Eupatorium Linnaeus |
| Citation | 1836 Prodr. [A. P. de Candolle] 5: 177 |
| Holdings | 76 Specimens held in the Harvard University Herbaria identified as Eupatorium semiserratum de Candolle |
| Identification made in | [no date] (33), 1939 (1), 1973 (41), 2023 (1) |