Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Atlantic Coast.
Habitat: Rocky, sandy, or silty riverbanks, shores, moist or mesic slopes, roadsides, ditches, and railroads.
Flowers: June-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Review Group 1 in Washington (WANHP)
[none provided]
PNW Herbaria: Specimen records of Muhlenbergia mexicana in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Muhlenbergia mexicana checklist entry
OregonFlora: Muhlenbergia mexicana information
E-Flora BC: Muhlenbergia mexicana atlas page
CalPhotos: Muhlenbergia mexicana photos