Origin: Introduced
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Glyceria maxima in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Glyceria maxima checklist entry.
E-Flora BC: Glyceria maxima atlas page.
CalPhotos: Glyceria maxima photos.
USDA Plants: Glyceria maxima information.