| Name | Carex hallii Olney |
| Authorship | Olney |
| Rank | Species |
| Placed in | Carex Linnaeus |
| GUID | urn:lsid:ipni.org:names:46310-2 |
| Citation | 1872 Prelim. Rep. U.S. Geol. Surv. Montana 496 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Carex hallii Olney |
| Identification made in | [no date] (4), 2012 (2) |