Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east in scattered locations to the Atlantic Coast.
Habitat: Open, disturbed areas including fields, meadows, and forest openings.
Flowers: June-July
Origin: Introduced from Eurasia
Growth Duration: Annual
Conservation Status: Not of concern
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Bromus squarrosus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Bromus squarrosus checklist entry
OregonFlora: Bromus squarrosus information
E-Flora BC: Bromus squarrosus atlas page
CalPhotos: Bromus squarrosus photos