
Origin: Introduced
Conservation Status: Not of concern
[none provided]
Occurring in scattered locations on both sides of the Cascades crest in Washington; Washington to California, east to Idaho, Utah, and Nevada, east across the southern U.S. to eastern North America.PNW Herbaria: Specimen records of Apium in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Apium checklist entry
OregonFlora: Apium information
E-Flora BC: Apium atlas page
CalPhotos: Apium photos