| Family | Cyperaceae |
| Scientific name | Machaerina rubiginosa (Sprengel) T. Koyama |
| Synonyms | Baumea rubiginosa (Sprengel) Boeckeler; Cladium globeratum R. Brown; Cladium nipponense Ohwi; Cladium rubiginosum (Sprengel) Domin; Fuirena rubiginosa Sprengel; Machaerina brevistigma (Nakai ex Tuyama) T. Koyama; Machaerina nipponensis (Ohwi) Ohwi & T. Koyama; Machaerina rubiginosa (Sprengel) T. Koyama var. nipponensis (Ohwi) T. Koyama; Schoenus rubiginosus Solander ex G. Forster |
| Common name | (Japanese common name) nebiki-gusa (ネビキグサ, 根引草 [meaning: long roots weed]), anpera-i (アンペライ, アンペラ藺 [meaning: ampero rush]), munin-anpera-i (ムニンアンペライ, 無人アンペラ藺 [meaning: Ogasawara Islands ampero rush]) |
| (English common name) variegated striped rush | |
| Distribution | (Japan) Honshu (west of Shizuoka Prefecture), Kyushu, Okinawa |
| (Other nations) New Guinea, New Caledonia, Australia, New Zealand | |
| Habitat | Swamp |
| Chromosomal number | unknown |
| Description | Culms ca. 30-90cm tall. Leaves 3-8mm across. Flowers spikelets 5-6mm long, flowering in August to October. Perennial plants. |
| Reference | Machaerina rubiginosa T. Koyama |
| Baumea rubiginosa (Spreng.) Boeck. | |
| Baumea rubiginosa (Spreng.) Boeck. |
| June 2009 at Tsukuba Botanical Garden |
June 2009 at Tsukuba Botanical Garden |
June 2009 at Tsukuba Botanical Garden |
| June 2009 at Tsukuba Botanical Garden |