Common Rush, Pacific Rush, Soft Rush
Juncus effusus ssp. pacificus
Synonyms: Juncus effusus var. caeruleomontanus, Juncus effusus var. pacificus

Close-up of the emerging inflorescence of pacific rush as seen in the stock pond at the Dalles Mt. Ranch, Columbia Hills State Park, WA.......June 3, 2009. The inflorescence won't be fully developed for another week or so.

Pacific rush surrounded by american brooklime and duckweed as seen in the stock pond at the Dalles Mt. Ranch, Columbia Hills State Park, WA.......June 3, 2009.
Paul Slichter