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Oenanthe fluviatilis
Oenanthe fluviatilis, the river water-dropwort, is a flowering plant in the carrot family, Apiaceae, which is endemic to north-west Europe. It grows only in clear, unpolluted rivers and is declining throughout its range.
River water-dropwort is entirely confined to North-west Europe, being recorded only in Ireland, England, Germany, Austria, France, Denmark and the Low Countries. In a global context it is considered to be Near Threatened (NT), with a population trend that is decreasing. It is possibly extinct in Germany.
There are very few references to this species in literature, presumably because it is so little-known. However, D.E. Allen reports that an infusion of "water-fennel" was once used in County Wicklow as a treatment for rheumatism, although he questions whether O. fluviatilis was really the plant in question.
Fineleaf waterdropwort · Hemlock Water-dropwort · Tubular Water-dropwort · Oenanthe globulosa · Java waterdropwort · Parsley water-dropwort · Corkyfruit waterdropwort · Water parsely · Narrow-leaved Water-dropwort · Waterdropwort
Text excerpted from the Wikipedia article Oenanthe fluviatilis by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
