Distribution: Occurring chiefly west of the Cascades crest in Washington; southwestern British Columbia to California, also from the southern Great Plains east to the Atlantic Coast in the U.S.
Habitat: Ponds and standing water at low elevations.
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Flies
[none provided]
PNW Herbaria: Specimen records of Wolffia brasiliensis in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Wolffia brasiliensis checklist entry
OregonFlora: Wolffia brasiliensis information
E-Flora BC: Wolffia brasiliensis atlas page
CalPhotos: Wolffia brasiliensis photos