Origin: Introduced
Conservation Status: Not of concern
[none provided]
Occurring west of the Cascades crest in Washington; southwestern British Columbia to Oregon; native to central and eastern and North America.PNW Herbaria: Specimen records of Pontederia in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Pontederia checklist entry
OregonFlora: Pontederia information
E-Flora BC: Pontederia atlas page
CalPhotos: Pontederia photos