| Name | Carex atrata var. ovata (Rudge) Boott |
| Authorship | (Rudge) Boott |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Carex atrata Linnaeus |
| GUID | urn:lsid:ipni.org:names:45806-2 |
| Citation | 1862 Ill. Gen. Carex pt. 3: 114 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Carex atrata var. ovata (Rudge) Boott |
| Identification made in | [no date] (1) |