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Juncus bufonius L.






Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

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

Habitats: 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.
索引

Juncus bufonius in Hokkaido


Seeds1 Seeds2 Seeds3
[1-3] in a pasture near the office building of Shizunai Experimental Farm of Hokkaido University, south-central Hokkaido, on June 16 2016.

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