[Sedges: The Genus Carex in the Columbia River Gorge of Oregon and Washington]

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

Inflorescence of 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.
Perigynia and scales of 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) -- Inflorescence of 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)

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