Distribution: Occurring east of the Cascades crest in southeastern Washington; southeastern Washington to adjacent Oregon, also in Boise, Idaho; California and sporadically eastward to the Atlantic Coast.
Habitat: Roadsides, fields, and other disturbed, open areas.
Flowers: July-September
Origin: Introduced from Eurasia
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Tripidium ravennae in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Tripidium ravennae checklist entry
OregonFlora: Tripidium ravennae information
E-Flora BC: Tripidium ravennae atlas page
CalPhotos: Tripidium ravennae photos