3 species
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Stuckenia filiformisslender-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.
Origin: Native
Flowers: June-August
Growth Duration: perennial
Stuckenia pectinatafennel-leaved pondweed, sago pondweed, sago-pondweed
Distribution: Both sides of the Cascades in Washington; common throughout North America; Eurasia
Habitat: Shallow, fresh to brackish water.
Origin: Native
Flowers: July-September
Growth Duration: perennial
Stuckenia vaginatabigsheath-pondweed
Origin: Native
Flowers: Late June - August
Growth Duration: perennial