Distribution: Known from historic collections in the Spokane area; widely distributed throughout much of North America.
Habitat: Marshes and wet areas.
Conservation Status: Not of concern
PNW Herbaria: Specimen records of Cicuta maculata in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Cicuta maculata checklist entry.
E-Flora BC: Cicuta maculata atlas page.
CalPhotos: Cicuta maculata photos.
USDA Plants: Cicuta maculata information.