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
The inflorescence 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.
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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