Origin: Native
Conservation Status: Not of concern
[none provided]
Scattered locations throughout Washington; along Columbia River near Portland, OR, introduced in much of North America.
Occurring west of the Cascades crest and along the Columbia River in Washington; southern British Columbia to California, east to Idaho, east across the southwestern U.S. and southern Great Plains to eastern North America; also occurring in New World Tropics and Eurasia.
Occurring west of the Cascades crest in King County in Washington; otherwise northern Oregon to California, east across the southwestern U.S. and southern Great Plains to eastern North America.PNW Herbaria: Specimen records of Ludwigia in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Ludwigia checklist entry
OregonFlora: Ludwigia information
E-Flora BC: Ludwigia atlas page
CalPhotos: Ludwigia photos