| Name | Eriophorum polystachion var. angustifolium A. Gray |
| Authorship | A. Gray |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Eriophorum polystachion Linnaeus |
| Citation | 1856 Manual [A. Gray], ed. 2. 502 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Eriophorum polystachion var. angustifolium A. Gray |
| Identification made in | [no date] (2) |