| Name | Eupatorium sessilifolium var. brittonianum Porter |
| Authorship | Porter |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Eupatorium sessilifolium Linnaeus |
| GUID | urn:lsid:ipni.org:names:100947-2 |
| Citation | 1892 Bull. Torrey Bot. Club 19: 129 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Eupatorium sessilifolium var. brittonianum Porter |
| Identification made in | [no date] (5) |
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