Path rush / Slender rush
Juncus tenuis Willd. [Juncaceae]
Kusai (クサイ, 草藺)
Lifeform: perennial rush < 60 cm high
Distribution: cosmopolitan (ancient exotic to Japan?)
Habitats: roadsides, cropfields, etc. (tolerant to soil compaction by developing shallow roots)
Seed dispersal: animal (ectozoochore )
Juncus tenuis in Hokkaido
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[1/2] along a roadside in the city of Sapporo on August 29 2009. [3/4] along a roadside, N27/E2, East Ward, Sapporo on June 15 2011.