Distribution: Occurring east of the Cascades crest in Washington; Alaska to Oregon, east to the Rocky Mountains, Great Plains, and eastern North America.
Habitat: Shrub-steppe, disturbed areas, roadside.
Flowers: June-August
Origin: Introduced from Eurasia
Growth Duration: Annual, Biennial
Conservation Status: Not of concern
Pollination: Bees, flies
[none provided]
PNW Herbaria: Specimen records of Lappula squarrosa in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Lappula squarrosa checklist entry
OregonFlora: Lappula squarrosa information
E-Flora BC: Lappula squarrosa atlas page
CalPhotos: Lappula squarrosa photos