Habitat: Disturbed areas at low to middle elevations.
Origin: Introduced from eastern North America
Growth Duration: Perennial
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Helianthus grosseserratus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Helianthus grosseserratus checklist entry
OregonFlora: Helianthus grosseserratus information
E-Flora BC: Helianthus grosseserratus atlas page
CalPhotos: Helianthus grosseserratus photos