| Name | Eriophorum vaginatum subsp. spissum (Fernald) Hultén |
| Authorship | (Fernald) Hultén bis |
| Rank | Subspecies |
| NomenclaturalStatus | Unknown |
| Placed in | Eriophorum vaginatum Linnaeus |
| GUID | urn:lsid:ipni.org:names:95760-2 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Eriophorum vaginatum subsp. spissum (Fernald) Hultén |
| Identification made in | [no date] (3), 1991 (2), 2011 (3) |