Distribution: Occurring west of the Cascades crest in Washington; southwestern Washington to northwestern Oregon.
Habitat: Occurring west of the Cascades crest in Washington; southwestern Washington to northwestern Oregon.
Flowers: May-June
Origin: Native
Growth Duration: Perennial
Conservation Status: Threatened in Washington (WANHP)
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PNW Herbaria: Specimen records of Poa unilateralis ssp. pachypholis in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Poa unilateralis ssp. pachypholis checklist entry
OregonFlora: Poa unilateralis ssp. pachypholis information
E-Flora BC: Poa unilateralis ssp. pachypholis atlas page
CalPhotos: Poa unilateralis ssp. pachypholis photos