| Name | Carex atlantica subsp. atlantica |
| Authorship | |
| Rank | Subspecies |
| NomenclaturalStatus | Unknown |
| Placed in | Carex atlantica L. H. Bailey |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Carex atlantica subsp. atlantica |
| Identification made in | [no date] (4), 1986 (1), 1988 (1), 2018 (2) |