| Name | Eupatorium rydbergii Britton |
| Authorship | Britton |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Eupatorium Linnaeus |
| GUID | urn:lsid:ipni.org:names:100882-2 |
| Citation | 1901 Man. (Lesquereaux) 921 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Eupatorium rydbergii Britton |
| Identification made in | [no date] (1), 1981 (1) |
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