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(Upload on October 31 2009) [ 日本語 | English ]

Equisetum L. (トクサ) Chisimahimedokusa (チシマヒメドクサ, 千島姫木賊), variegated horsetail Lifeform: evergreen perennial horsetail < 40 (80) cm in height Morophology: highly variable (often misidentified) ssp. variegatum ssp. alaskanum (A. A. Eaton) Hultén

Distribution: widespread in the Northern Hemisphere (tundra), including Hokkaido Rare → RDB Japan (2007) = VU Habitat: wetlands (湿原), including river banks and lake shores, and wet subalpine zone → tussock (谷地坊主)

Equisetum variegatum in Alaska

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[1/2] in a tussock tundra near Toolik Lake LTER Station, on August 8 2009.