| Name | Carex sparganioides Muhlenberg ex Willdenow |
| Authorship | Muhlenberg ex Willdenow |
| Rank | Species |
| Placed in | Carex Linnaeus |
| GUID | urn:lsid:ipni.org:names:20008064-1 |
| Holdings | 208 Specimens held in the Harvard University Herbaria identified as Carex sparganioides Muhlenberg ex Willdenow |
| Identification made in | [no date] (206), 1991 (1), 2025 (1) |