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(First upload on January 25 2012. Last on February 24 2016) [ 日本語 | English ]

Cyperus L. (カヤツリグサ) Kayatsurigusa (カヤツリグサ, 蚊帳吊草 / マスクサ, 莎草), Asian flatsedge Life form: weedy annual sedge Distribution: China - Korea - Japan (except Ryukyu)

Habitat: sunny sites, including roadsides and plowlands

Cyperus microiria in Hokkaido

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1 2 3
4 5 6
[1/2] on a pedestrian raod, N27/E2, East Ward, Sapporo, on August 30 2011. [3/4] in the Kompira Craters, formed by the 2000 eruptions, on Mount Usu on September 16 2016. [5/6] on the Nishiyama Craters of Mount Usu on July 27 2017. Records: under a street tree in N24/E1, East Ward, Sapporo, on August 28 2019.