| Name | Eupatorium urticifolium var. angustatum (A. Gray) B. L. Robinson |
| Authorship | (A. Gray) B. L. Robinson |
| Rank | Variety |
| Placed in | Eupatorium urticifolium Reichard |
| Citation | 1916 Proc. Amer. Acad. Arts 51: 537 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Eupatorium urticifolium var. angustatum (A. Gray) B. L. Robinson |
| Identification made in | [no date] (1) |
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