Distribution: Occurring west of the Cascades crest in Washington; southwestern British Columbia to Oregon; native to central and eastern and North America.
Habitat: Lakeshores and pond margins, where often escaping from cultivation.
Flowers: July-September
Origin: Introduced from central and eastern North America
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bumblebees, bees, butterflies
[none provided]
Publication: Sp. Pl. 1: 208. 1753.
PNW Herbaria: Specimen records of Pontederia cordata in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Pontederia cordata checklist entry.
OregonFlora: Pontederia cordata information.
E-Flora BC: Pontederia cordata atlas page.
CalPhotos: Pontederia cordata photos.
USDA Plants: Pontederia cordata information.
