Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast except in the southeastern U.S.
Habitat: Aquatic habitats below the water surface.
Flowers: June-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Myriophyllum verticillatum in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Myriophyllum verticillatum checklist entry
OregonFlora: Myriophyllum verticillatum information
E-Flora BC: Myriophyllum verticillatum atlas page
CalPhotos: Myriophyllum verticillatum photos