Distribution: Occurring west of the Cascades crest in Washington, where known from Jefferson County. British Columbia to California; also eastern North America, where native.
Habitat: Coastal salt marsh near high tide line.
Flowers: June-September
Origin: Introduced from the Atlantic Coast of North America
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Spartina patens in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Spartina patens checklist entry
OregonFlora: Spartina patens information
E-Flora BC: Spartina patens atlas page
CalPhotos: Spartina patens photos