Origin: Introduced
Conservation Status: Not of concern
[none provided]
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.PNW Herbaria: Specimen records of Tripidium in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Tripidium checklist entry
OregonFlora: Tripidium information
E-Flora BC: Tripidium atlas page
CalPhotos: Tripidium photos