| Name | Carex atrofusca var. angustifructus Kükenthal |
| Authorship | Kükenthal |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Carex atrofusca Schkuhr |
| GUID | urn:lsid:ipni.org:names:60466404-2 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Carex atrofusca var. angustifructus Kükenthal |
| Identification made in | [no date] (1) |