Page author: David Giblin
Myriophyllum heterophyllum
two-leaf milfoil, various-leaved water-milfoil
WTU specimens
Other herbaria

Distribution: Known only from Puget Sound lowlands in Washington; British Columbia south to California; widely distributed east of the Mississippi River in Canada and the U.S where apparently it is native.

Habitat: Lakes and ponds.

Flowers: May-October

Origin: Introduced

Conservation Status: Not of concern

Description:

[none provided]


Accepted Name:
Myriophyllum heterophyllum Michx.
Publication: Fl. Bor.-Amer. 2: 191. 1803.

Synonyms & Misapplications:
(none provided)
Additional Resources:

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

WA Flora Checklist: Myriophyllum heterophyllum checklist entry.

E-Flora BC: Myriophyllum heterophyllum atlas page.

CalPhotos: Myriophyllum heterophyllum photos.

USDA Plants: Myriophyllum heterophyllum information.

8 photographs:
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