8 common names
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Scientific name
Common name
(Sparganium natans)
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, across the northern half of North America to the Atlantic Coast.
Habitat: Shallow water, mostly in mountain lakes, sometimes completely submersed.
Origin: Native
Flowers: July-August
Growth Duration: Perennial
(Sparganium eurycarpum)
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to Baja, California, east across most of North America to the Atlantic Coast.
Habitat: Wet meadows to shallow marshes, mostly emersed.
Origin: Native
Flowers: May-October
Growth Duration: Perennial
(Sparganium angustifolium)
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.
Habitat: Ponds and shallow lakes at moderate elevations in the mountains.
Origin: Native
Flowers: July-September
Growth Duration: Perennial
(Sparganium fluctuans)
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to Washington, east across Canada to the Great Lakes region and northeastern North America.
Habitat: Cold, clear water to 2 meters deep.
Origin: Native
Flowers: June-September
Growth Duration: Perennial
(Sparganium angustifolium)
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.
Habitat: Ponds and shallow lakes at moderate elevations in the mountains.
Origin: Native
Flowers: July-September
Growth Duration: Perennial
(Sparganium emersum)
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Colorado.
Habitat: Shallow ponds and marshes.
Origin: Native
Flowers: June-September
Growth Duration: Perennial
(Sparganium natans)
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, across the northern half of North America to the Atlantic Coast.
Habitat: Shallow water, mostly in mountain lakes, sometimes completely submersed.
Origin: Native
Flowers: July-August
Growth Duration: Perennial
(Sparganium fluctuans)
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to Washington, east across Canada to the Great Lakes region and northeastern North America.
Habitat: Cold, clear water to 2 meters deep.
Origin: Native
Flowers: June-September
Growth Duration: Perennial