Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Shallow, muddy waters of ponds, lakes, and slow-moving waters.
Flowers: July-August
Origin: Native
Growth Duration: Annual, Perennial
Conservation Status: Not of concern
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PNW Herbaria: Specimen records of Limosella acaulis in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Limosella acaulis checklist entry.
OregonFlora: Limosella acaulis information.
E-Flora BC: Limosella acaulis atlas page.
CalPhotos: Limosella acaulis photos.
USDA Plants: Limosella acaulis information.