Distribution: Distributed on both sides of the Cascades in Washington;
Habitat: Aquatic habitats below the water surface.
Flowers: June-August
Origin: Native
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Myriophyllum verticillatum in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Myriophyllum verticillatum checklist entry.
E-Flora BC: Myriophyllum verticillatum atlas page.
CalPhotos: Myriophyllum verticillatum photos.
USDA Plants: Myriophyllum verticillatum information.