Gray Sedge, Silvery Sedge
Carex canescens ssp. canescens
Synonyms: Carex curta, Carex canescens ssp. canescens

A close-up of the inflorescence of what appears to be silvery sedge as seen on the shore of High Lake, Strawberry Mt. Wilderness.........July 17, 2013.
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Additional images of silvery sedge as seen with lakeshore sedge (Carex lenticularis ssp. lipocarpa) on the shore of High Lake, Strawberry Mt. Wilderness.........July 17, 2013. If this isn't silvery sedge then this would most likely be early sedge (Carex praeceptorum).
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What appears to be silvery sedge as seen in a floating bog about one or two miles south of Goodrich Meadows, Colville National Forest..........June 24, 2016.
Paul Slichter