| Name | Carex projecta Mackenzie |
| Authorship | Mackenzie |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Carex Linnaeus |
| GUID | urn:lsid:ipni.org:names:46923-2 |
| Citation | 1908 Bull. Torrey Bot. Club 35: 264 |
| Holdings | 347 Specimens held in the Harvard University Herbaria identified as Carex projecta Mackenzie |
| Identification made in | [no date] (339), 2006 (4), 2011 (1), 2021 (1), 2025 (2) |