Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Atlantic Coast.
Habitat: Shores, swales, riparian zones, moist, disturbed ground, and roadsides.
Flowers: June-September
Origin: Native?
Growth Duration: Annual
Conservation Status: Not of concern
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Echinochloa muricata in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Echinochloa muricata checklist entry
OregonFlora: Echinochloa muricata information
E-Flora BC: Echinochloa muricata atlas page
CalPhotos: Echinochloa muricata photos