Page author: David Giblin
Carex pachystachya
starry sedge, thick-headed sedge

Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Saskatoon and Colorado.

Habitat: Wet meadows, springs, shores, peatlands, marsh margins, and ditches.

Flowers: May-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Wind


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Accepted Name:
Carex pachystachya Cham. ex Steud.
Publication: Syn. Pl. Glumac. 2: 197. 1855.

Synonyms & Misapplications:
Carex festiva Dewey var. gracilis Olney
Carex festiva Dewey var. pachystachya (Cham. ex Steud.) L.H. Bailey
Carex macloviana d'Urv. ssp. pachystachya (Cham. ex Steud.) Hultén
Carex macloviana d'Urv. var. pachystachya (Cham. ex Steud.) Kük.
Carex pachystachya Cham. ex Steud. var. gracilis (Olney) Mack.
Carex pachystachya Cham. ex Steud. var. monds-coulteri Kelso
Additional Resources:

PNW Herbaria: Specimen records of Carex pachystachya in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Carex pachystachya checklist entry.

OregonFlora: Carex pachystachya information.

E-Flora BC: Carex pachystachya atlas page.

CalPhotos: Carex pachystachya photos.

USDA Plants: Carex pachystachya information.

15 photographs:
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