Arctic woodrush

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Luzula arctica Blytt

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

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Luzula DC. (スズメノヤリ)

Arctic woodrush
Lifeform: perennial grass
Distribution: endemic to Canada, Greenland and Alaska
Habitat: moist substrates, e.g., wet meadows, snow patches and seepages in tundra
ssp. arctica, arctic woodrush
Synonyms:

Juncoides arcticum (Blytt) Coville
Juncoides hyperboreum (R. Br.) Sheldon p.p.
Luzula nivalis (Laest.) Beurling

ssp. latifolia (Kjellm.) A.E. Porsild, wideleaf arctic woodrush
Distribution: limited in Alaska
Synonyms:

Luzula camtschadalorum (Sam.) Gorodk. ex Krylov
Luzula hyperborea R. Br. var. latifolia (Kjellm.) B. Boivin
Luzula nivalis (Laest.) Beurling var. latifolia (Kjellm.) Sam.
Luzula tundricola Gorodk.

Luzula arctica in Alaska

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[1-3] at Mile Post 404 along Dalton Highway, interior Alaska, on August 1 2014.