Page author: David Giblin
Myriophyllum pinnatum
cutleaf water-milfoil
WTU specimens
Other herbaria
WTU images

Distribution: Known in Washington only from Thurston County; southern British Columbia to Oregon, also in eastern North America.

Habitat: Lakes, sloughs, ditches, slow streams.

Flowers: June-August

Origin: Native

Conservation Status: Not of concern


[none provided]

Accepted Name:
Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenb.
Publication: Preliminary Catalogue of Anthophyta and Pteridophyta Reported as Growing Spontaneously within One Hundred Miles of New York 19. 1888.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Myriophyllum pinnatum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Myriophyllum pinnatum checklist entry.

E-Flora BC: Myriophyllum pinnatum atlas page.

CalPhotos: Myriophyllum pinnatum photos.

USDA Plants: Myriophyllum pinnatum information.

2 photographs:
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