| Name | Carex japonica Thunberg |
| Authorship | Thunberg |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Carex Linnaeus |
| Contains | Carex japonica var. chlorostachys (Steven) Kükenthal |
| GUID | urn:lsid:ipni.org:names:927468-1 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Carex japonica Thunberg |
| Identification made in | [no date] (5), 2024 (1) |