Page author: David Giblin
Stuckenia filiformis
slender-leaved pondweed, western pondweed, threadleaf-pondweed

Distribution: Only known from Whatcom County in Washington; Alaska south to California, east to the Rocky Mountains; east across Canada to the Atlantic Coast and Greenland.

Habitat: Lakes, ponds, slow moving waters.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Review Group 1 in Washington (WANHP)


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Accepted Name:
Stuckenia filiformis (Pers.) Börner
Publication: Flora fur das deutsche Volk. 713. 1912.

Synonyms & Misapplications:
Potamogeton borealis Raf.
Potamogeton filiformis Pers. [HC]
Potamogeton filiformis Pers. var. alpinus (Blytt) Asch. & Graebn.
Potamogeton filiformis Pers. var. borealis (Raf.) H. St. John [VPPNW1]
Potamogeton filiformis Pers. var. macounii (Morong ex Macoun) Morong [VPPNW1]
Potamogeton filiformis Pers. var. occidentalis (J.W. Robbins) Morong
Potamogeton marinus L. f. alpinus Blytt
Potamogeton marinus L. var. alpinus (J.W. Robbins) Morong
Potamogeton marinus L. var. macounii Morong
Potamogeton marinus L. var. occidentalis J.W. Robbins
Stuckenia filiformis (Pers.) Börner ssp. alpina (Blytt) R. R. Haynes, Les & M. Král
Stuckenia filiformis (Pers.) Börner ssp. filiformis [FNA22]
Stuckenia filiformis (Pers.) Börner ssp. occidentalis (J. W. Robbins) R. R. Haynes, Les & M. Král [FNA22]
Additional Resources:

PNW Herbaria: Specimen records of Stuckenia filiformis in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Stuckenia filiformis checklist entry.

E-Flora BC: Stuckenia filiformis atlas page.

CalPhotos: Stuckenia filiformis photos.

USDA Plants: Stuckenia filiformis information.

10 photographs:
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