Origin: Introduced
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Hydrocharis morsus-ranae in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Hydrocharis morsus-ranae checklist entry.
E-Flora BC: Hydrocharis morsus-ranae atlas page.
CalPhotos: Hydrocharis morsus-ranae photos.
USDA Plants: Hydrocharis morsus-ranae information.