Origin: Native
Conservation Status: Not of concern
[none provided]
Reported for Washington, but no specimens seen; British Columbia to Oregon.
Reported for Washington, but no specimens seen; British Columbia to Oregon.
Occurring chiefly west of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Occurring west of the Cascades crest in Washington; Alaska to California.
Occurring chiefly west of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Occurring east of the Cascades crest in Washington; British Columbia to California, east to Idaho.
Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east to Montana; also in eastern North America.PNW Herbaria: Specimen records of Callitriche in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Callitriche checklist entry
OregonFlora: Callitriche information
E-Flora BC: Callitriche atlas page
CalPhotos: Callitriche photos