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(Upload on January 24 2017) [ 日本語 | English ]

Juncus L. (イグサ) Himekougaizekisyou (ヒメコウガイゼキショウ, 姫笄石菖), toad rush Lifeform: turfed, annual rush Distribution: cosmopolitan in the warm and temperate regions, including Japan contaminated with the exotic type in urbanized areas Habitat: moist sites, such as mecic grasslands

Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト) Chromosome number: 2n = 100 or 110 Synonyms: Juncus minutulus V. I. Krecz. et Gontsch. Varieties (USDA): diverse morphology var. bufonius var. congestus Wahlenb. var. occidentalis F. J. Herm.

Juncus bufonius in Hokkaido

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[1-3] in a pasture near the office building of Shizunai Experimental Farm of Hokkaido University, south-central Hokkaido, on June 16 2016.