Distribution: Occurring west of the Cascades crest in the lowlands in Washington; southwestern British Columbia to northwestern Oregon, also in eastern North America.
Habitat: Forest edge and understory, shady roadsides, and other disturbed areas where shady and seasonally moist.
Flowers: April-June
Origin: Introduced from Europe
Growth Duration: Biennial
Conservation Status: Not of concern
Pollination: Generalist
[none provided]
PNW Herbaria: Specimen records of Chaerophyllum temulum in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Chaerophyllum temulum checklist entry
OregonFlora: Chaerophyllum temulum information
E-Flora BC: Chaerophyllum temulum atlas page
CalPhotos: Chaerophyllum temulum photos