| Family | Cyperaceae |
| Scientific name | Carex dickinsii Franchet & Savatier |
| Synonyms | Carex coreana L. H. Bailey |
| Common name | (Japanese common name) oni-suge [tiger sedge], mikuri-suge [mikuri like sedge (mikuri = Sparganium erectum)] |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Kyushu |
| (Other nations) Korea | |
| Chromosomal number | 2n=64 |
| Description | Leaves 4-8mm width. Culms 20-45cm. Flowers male sikelet at top, female spikelet 1.5-2cm at side, flowering in May to June. Perennial plants. |
| July 2007 at lowland swamp | July 2007 at lowland swamp | July 2007 at lowland swamp |