Chamisso Sedge, Thick-head Sedge, Thick-headed Sedge
Carex pachystachya
Synonyms: Carex festiva var. gracilis, Carex festiva var. pachystachya, Carex macloviana ssp. pachystachya, Carex macloviana var. pachystachya, Carex pachystachya ssp. pachystachya, Carex pachystachya var. gracilis, Carex pachystachya var. monds-coulteri, Carex platylepis, Carex pyrophila
Close-up of the inflorescence of thick-headed sedge as seen at Steptoe Butte State Park in eastern Washington.........June 22, 2009.
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Close-up of several of the perigynia of thick-headed sedge as seen at Steptoe Butte State Park in eastern Washington........June 22, 2009.
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Close-ups of the crowded inflorescence as well as several bracts and perigynia of thick-headed sedge as seen along a small stream at the trailhead to Canyon Creek in the Klickitat State Wildlife Area of south-central Washington.........June 12, 2009.
Paul Slichter