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(First upload on February 27 2016. Last on April 1 2024) [ 日本語 | English ]

Elytrigia Desv. (シバムギ) Shibamugi (シバムギ, 芝麦), quackgrass, couch grass, or English twitch Himekamojigusa (ヒメカモジグサ, 姫髢草) Life form: weedy perennial grass Distribution: originated from the Mediterranean regions, now widespread in the Old World including Japan introduced to Japan as a pasture grass Hokkaido Blue List: A3 (firstly reported from Tokachi District in 1975)

Habitat: sunny sites, such as crop fields, grasslands and roadsides Chromosome number: 2n = 28, 42, or 56 Synonyms: Elymus repens (L.) Gould, often used Agropyron repens (L.) P. Beauv. var. aristata (Doell) Prokud. (ノゲシバムギ/ノギナガヒメカモジグサ)

Elytrigia repens in Hokkaido

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4 5 6
[1] at a roadside in N21/E2, East Ward, Sapporo, on August 2 2015. [2/3] on a parking lot in the backyard of Tougeshita Head Store of Lucky Pierrot, Nanae Town, southern Hokkaido, on July 11 2023. [4-6] at a park near the Muroran Marine Station of Hokkaido University on September 12 2016. Records: in front of GSES on June 19 2021.

var. aristata (ノゲシバムギ)

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[1-3] along a road in N21E1, East Ward, Sapporo, on July 18 2016.