| Name | Carex lacustris Willdenow |
| Authorship | Willdenow |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Carex Linnaeus |
| Contains | Carex lacustris var. laxiflora Dewey |
| GUID | urn:lsid:ipni.org:names:46439-2 |
| Citation | 1805 Sp. Pl., ed. 4 [Willd.]. 4(1): 306 |
| Holdings | 203 Specimens held in the Harvard University Herbaria identified as Carex lacustris Willdenow |
| Identification made in | [no date] (201), 1963 (1), 2024 (1) |