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(First upload on October 8 2009. Last on June 16 2014) [ 日本語 | English ]

Phalaris arundinacea L.






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

Phalaris L. (クサヨシ)
Kusayoshi (クサヨシ, 草葦), reed canarygrass
Etymology of Japanese name: クサ = grass + ヨシ (reed, Phragmites australis)
Lifeform: deciduous, rhizomatous, perennial grass
Distribution: widespread in the temperate regions of the northern hemisphere

Hokkaido Blue List: A3

Habitat: along the margins of lakes and streams and in wet open areas

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 = 14, 28, 27-31, 35, or 42
Synonyms:

Digraphis arundinacea (L.) Trin.
Phalaroides arundinacea (L.) Rausch.

var. japonica (Steud.) Hack. (ホソボクサヨシ), usually not established
cv. picta L. (シマヨシ)
索引

Phalaris arundinacea in Hokkaido


ST1 ST2 ST3 ST4
ST5 ST6
[1/2] at Yachidamo Park on June 20 2011. [3] near Ono Pond (大野池) in the Hokkaido University campus, Sapporo, on July 15 2011. [4] along the Route 5 between Yakumo and Oshamanbe, southern Hokkaido, on June 18 2014. [5/6] at the entrance of Shunbetsu River, south-central Hokkaido, on June 14 2016. Records: along O-sawa Course in Nopporo Forest Park on July 17 2021.

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