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Carex scabrifolia Steud.

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

Carex L. (スゲ)
Section Paludosae (シオクグ)
Shiokugu (シオクグ, 塩莎草), scabrous-leaf sedge
Lifeform: perennial sedge
Distribution: Far East - East Asia, including the whole of Japan
Habitat: near coasts exposed to salt, in particular, on salt marshes, sometimes developing a zonal vegetation
Fruit: May - June
Seed dispersal: (sea)water
C. pumila (コウボウシバ)

Carex scabrifolia in Hokkaido

Carex1 Carex2 Carex3
[1-3] along a seacoast on the bottom of cliff near the Muroran Marine Experimental Station of Hokkaido University on September 11 2017.