Distribution: Occurring in the Cascades Range in Washington; Alaska to northern Washington; circumboreal.
Habitat: Rocky alpine meadows and ridgelines.
Flowers: July-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Sensitive in Washington (WANHP)
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PNW Herbaria: Specimen records of Agrostis mertensii in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Agrostis mertensii checklist entry
OregonFlora: Agrostis mertensii information
E-Flora BC: Agrostis mertensii atlas page
CalPhotos: Agrostis mertensii photos