| Name | Carex fluviatilis Boott |
| Authorship | Boott |
| Rank | Species |
| Placed in | Carex Linnaeus |
| Citation | 1867 Ill. Gen. Carex 4: 172 |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Carex fluviatilis Boott |
| Identification made in | [no date] (4), 2015 (1), 2024 (4), 2025 (1) |