| Name | Carex ×knieskernii Dewey |
| Authorship | Dewey |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Carex Linnaeus |
| Citation | 1846 Amer. J. Sci. Arts ser. 2, 2: 247 |
| Holdings | 31 Specimens held in the Harvard University Herbaria identified as Carex ×knieskernii Dewey |
| Identification made in | [no date] (25), 1979 (3), 2012 (3) |