| Name | Carex petasata Dewey |
| Authorship | Dewey |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Carex Linnaeus |
| GUID | urn:lsid:ipni.org:names:301532-1 |
| Citation | 1836 Amer. J. Sci. Arts 29: 246 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Carex petasata Dewey |
| Identification made in | [no date] (3), 1938 (1) |