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-June
Origin: Introduced from central and eastern North America
Growth Duration: Perennial
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Calamovilfa longifolia in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Calamovilfa longifolia checklist entry
OregonFlora: Calamovilfa longifolia information
E-Flora BC: Calamovilfa longifolia atlas page
CalPhotos: Calamovilfa longifolia photos