Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, also in Idaho, Texas, and eastern North America.
Habitat: Roadsides, fields, wastelots, and other disturbed areas.
Flowers: June-August
Origin: Introduced from South America
Growth Duration: Perennial
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Polypogon interruptus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Polypogon interruptus checklist entry
OregonFlora: Polypogon interruptus information
E-Flora BC: Polypogon interruptus atlas page
CalPhotos: Polypogon interruptus photos