Callitriche
water-starwort
6 species
3 subspecies and varieties
3 subspecies and varieties
Show only taxa with photos
Order by:
Scientific name
Common name
Display as:
Callitriche brutia – narrow-leaf water-starwort
Distribution: Reported for Washington, but no specimens seen; British Columbia to Oregon.
Habitat: Flowing streams or quiet waters.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Distribution: Reported for Washington, but no specimens seen; British Columbia to Oregon.
Habitat: Flowing streams or quiet waters.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
• var. hamulata – narrowleaf water-starwort
Callitriche hermaphroditica – autumn water-starwort, northern water-starwort
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to Oregon, east across North America in scattered locations to the Atlantic Coast.
Habitat: Sloughs and streams.
Origin: Native
Flowers: July-September
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to Oregon, east across North America in scattered locations to the Atlantic Coast.
Habitat: Sloughs and streams.
Origin: Native
Flowers: July-September
Growth Duration: Perennial
Callitriche heterophylla – different-leaved water-starwort
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Sloughs and slow-moving, fresh water.
Origin: Native
Flowers: April-July
Growth Duration: Annual, Perennial
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Sloughs and slow-moving, fresh water.
Origin: Native
Flowers: April-July
Growth Duration: Annual, Perennial
• var. bolanderi – Bolander's different-leaved water-starwort
• var. heterophylla – different-leaved water-starwort
Callitriche marginata – winged water-starwort
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to Idaho.
Habitat: Ponds, lakes, slow-moving streams.
Origin: Native
Flowers: July-August
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to Idaho.
Habitat: Ponds, lakes, slow-moving streams.
Origin: Native
Flowers: July-August
Growth Duration: Perennial
Callitriche palustris – spring water-starwort, vernal water-starwort
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Sloughs and slow-moving fresh water.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Sloughs and slow-moving fresh water.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Callitriche stagnalis – pond water-starwort
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east to Montana; also in eastern North America.
Habitat: In streams, ponds, and ditches.
Origin: Introduced from Europe
Flowers: May-August
Growth Duration: Perennial
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east to Montana; also in eastern North America.
Habitat: In streams, ponds, and ditches.
Origin: Introduced from Europe
Flowers: May-August
Growth Duration: Perennial
