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.
Flowers: April-July
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
[none provided]
Callitriche heterophylla Pursh ssp. heterophylla [ILBC2]
PNW Herbaria: Specimen records of Callitriche heterophylla var. heterophylla in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Callitriche heterophylla var. heterophylla checklist entry.
OregonFlora: Callitriche heterophylla var. heterophylla information.
E-Flora BC: Callitriche heterophylla var. heterophylla atlas page.
CalPhotos: Callitriche heterophylla var. heterophylla photos.
USDA Plants: Callitriche heterophylla var. heterophylla information.
