| Name | Carex rara var. capillacea (Boott) Kükenthal |
| Authorship | (Boott) Kükenthal |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Carex rara Boott |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Carex rara var. capillacea (Boott) Kükenthal |
| Identification made in | [no date] (3) |