| Name | Carex gracillima var. macerrima Fernald |
| Authorship | Fernald |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Carex gracillima Schweinitz |
| Citation | 1913 Rhodora 15: 133 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Carex gracillima var. macerrima Fernald |
| Identification made in | [no date] (1) |