| Name | Eupatorium pyramidalis Klatt |
| Authorship | Klatt |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Eupatorium Linnaeus |
| Citation | 1882 Abh. Naturf. Ges. Halle 15: 324 |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Eupatorium pyramidalis Klatt |
| Identification made in | [no date] (4), 1977 (2), 1982 (2), 2008 (2) |
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