Distribution: Occurring east of the Cascades crest in Washington; southeastern British Columbia to eastern Washington, east to the Rocky Mountains, northern Great Plains, and eastern North America.
Habitat: Prairies and foothills, where escaped from soil stabilization plantings.
Flowers: May-July
Origin: Introduced from eastern and central North America
Conservation Status: Not of concern
[none provided]
Publication: True Grasses 113. 1890. 1890.
PNW Herbaria: Specimen records of Calamovilfa longifolia var. longifolia in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Calamovilfa longifolia var. longifolia checklist entry
OregonFlora: Calamovilfa longifolia var. longifolia information
E-Flora BC: Calamovilfa longifolia var. longifolia atlas page
CalPhotos: Calamovilfa longifolia var. longifolia photos
