| Family | Cyperaceae |
| Scientific name | Carex pumila Thunberg ex Murray |
| Synonyms | Carex platyrhyncha Frenchet & Savatier |
| Common name | (Japanese common name) koubou-shiba [Koubou turf (Koubou = a famous Buddhist priest in ancient era of Japan)] |
| (English common name) dwarf sedge | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) Russia, Korea, China, Taiwan, Australia, New Zealand, Chile | |
| Chromosomal number | 2n=82 |
| Description | Flowers culms 10-25cm, spikelets 2-3cm, flowering in June to July. Perennial plants. |
| Reference | Carex pumila Thunb. |
| Carex pumila Thunberg | |
| Comprehensive nutraceutical agent for treatment/ prevention of Parkinson's disease (US Patent 0070116779) | |
| Note | common |
| May 2006 at sandy beach |
May 2006 at sandy beach |
May 2006 at sandy beach |
| May 2006 at sandy beach |
May 2006 at sandy beach |
May 2006 at sandy beach |