| Name | Eupatorium hyssopifolium var. calcaratum Fernald & B. G. Schubert |
| Authorship | Fernald & B. G. Schubert |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Eupatorium hyssopifolium Linnaeus |
| GUID | urn:lsid:ipni.org:names:296110-2 |
| Citation | 1948 Rhodora 50: 227 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Eupatorium hyssopifolium var. calcaratum Fernald & B. G. Schubert |
| Identification made in | [no date] (1) |
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