| Name | Eupatorium callacatensis Hieronymus |
| Authorship | Hieronymus |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Eupatorium Linnaeus |
| Citation | 1905 Bot. Jahrb. Syst. 36: 468 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Eupatorium callacatensis Hieronymus |
| Identification made in | [no date] (2), 1984 (1) |
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