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