Distribution: Occurring on both sides of the Cascades crest in Washington; widespread in North America.
Habitat: Low, wet, often sandy ground.
Flowers: May-July
Origin: Introduced from Europe
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Poa pratensis ssp. irrigata in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Poa pratensis ssp. irrigata checklist entry
OregonFlora: Poa pratensis ssp. irrigata information
E-Flora BC: Poa pratensis ssp. irrigata atlas page
CalPhotos: Poa pratensis ssp. irrigata photos