Distribution: Occurring west of the Cascades crest in Washington; British Columbia to Washington;
Habitat: Rocks, gravel, sand, or mud near high tide line.
Flowers: July-September
Origin: Introduced from Chile
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Spartina densiflora in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Spartina densiflora checklist entry
OregonFlora: Spartina densiflora information
E-Flora BC: Spartina densiflora atlas page
CalPhotos: Spartina densiflora photos