| Name | Carex ×helvola Blytt |
| Authorship | Blytt |
| Rank | Species |
| Placed in | Carex Linnaeus |
| Citation | 1849 Bot. Not. 58 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Carex ×helvola Blytt |
| Identification made in | [no date] (3) |
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