| Name | Eupatorium pulchellum var. angustifolium S. Watson ex B. L. Robinson |
| Authorship | S. Watson ex B. L. Robinson |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Eupatorium pulchellum Kunth |
| Citation | 1916 Proc. Amer. Acad. Arts 51: 534 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Eupatorium pulchellum var. angustifolium S. Watson ex B. L. Robinson |
| Identification made in | [no date] (2), 1971 (2), 1982 (1) |