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(Upload on September 10 2024) [ 日本語 | English ]

Cyperus L. (カヤツリグサ) Kogomegayatsuri (コゴメガヤツリ, 小米蚊帳吊), rice flat sedge or rice flatsedge Life form: weedy, annual sedge Distribution: India - China - eastern Asia and Australia - Japan (except Hokkaid) Habitat: sunny croplands, grasslands and wetlands

C. × mihasii T. Koyama (ヒラボガヤツリ) = C. iria × microiria C. × borealikiiensis T. Koyama (コウヤガヤツリ) = C. iria × orthostachyus C. × yamamotoi T. Koyama (コオニガヤツリ) = C. iria × pilosus

Cyperus iria in Japan

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[1-3] at Miwa Cape near Kushima Island Nanki-Kumano GeoPark, western Japan, on June 25 2024.