Distribution: Occurring west of the Cascades crest in Washington; British Columbia to Oregon and Arizona, east to Idaho and Montana; also in central and eastern North America, where native.
Habitat: Emergent in marshes, lakes, slow channels.
Flowers: July-September
Origin: Introduced from central and eastern North America
Growth Duration: Annual
Conservation Status: Not of concern
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Zizania palustris var. palustris in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Zizania palustris var. palustris checklist entry
OregonFlora: Zizania palustris var. palustris information
E-Flora BC: Zizania palustris var. palustris atlas page
CalPhotos: Zizania palustris var. palustris photos