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Shiro TSUYUZAKI
Plant community ecology / Environmental conservation

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

(Update on Janurary 11 2012)

Common duckweed (Lesser duckweed)
Lemna minor L. [Lemnaceae]

Koukikusa (コウキクサ, 小浮草)

Lifeform: evergreen aquatic forb
Distribution: cosmopolitan
Habitat: stagnant water


Lemna L.

Aquatic plants

L. aequinoctialis Welw. (ナンゴクアオウキクサ)
L. aoukikusa Beppu et Murata (アオウキクサ)

subsp. hokurikuensis Beppu et Murata (ホクリクアオウキクサ)

L. gibba L. (イボウキクサ)
L. japonica Landolt (ムラサキコウキクサ)


Lemna minor in Hokkaido

ST1 ST2
[1-2] in an artificial pond at the Arboretum of Hokkaido University adjacent to Popular Boulevard in the Hokkaido University Campus on September 27 2011.


References

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