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(First upload on November 23 2009. Last on January 18 2017) [ 日本語 | English ]

Agrostis L. (コヌカグサ) Ezo-nukabo (エゾヌカボ, 蝦夷糠穂), rough bentgrass Lifeform: perennial grass Distribution: northern China - Korea - Japan (north to Chubu District) - North America

Habitat: grasslands and wetlands, common on the volcano Mount Usu in the early stages after the succession Flora on Mount Usu and Mount Koma) Seed dispersal: wind Chromosome number: 2n = 42

Agrostis scabra in Hokkaido

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Mount Usu (有珠山)

1 2
[1] at the foot of Nishiyama Craters on September 9 2009. [2] at the foot of K1 Crater in Kompira Crater Group on August 9 2011. It is easy to understand that this species makes wind-dispersal seeds.

Mount Koma (駒ヶ岳)

3 4 5
[3-5] at the rest house near the parking lot on August 27 2016.
Records: along a boardwalk in a post-mined peatland, Sarobetsu mire, on October 2 2022.