| Family | Cyperaceae |
| Scientific name | Carex mitrata Franchet |
| Synonyms | none |
| Common name | (Japanese common name) nuka-suge [Rice bran sedge] |
| (English common name) none | |
| Distribution | (Japan) Honshu (south of Fukushima prefecture), Shikoku, Kyushu |
| (Other nations) Korea, China | |
| Chromosomal number | unknown |
| Description | Flowers male sikelet at top, female spikelet at side, flowering in April. Perennial plants. |
| Note | Common |
| May 2006 at edge of lowland forest |
May 2006 at edge of lowland forest |
May 2006 at edge of lowland forest |
| May 2006 at edge of lowland forest |
May 2006 at edge of lowland forest |
May 2006 at edge of lowland forest |