{{Short description|Genus of aquatic plants}} {{Italic title}} {{automatic taxobox | name = Frogbit | image = Hydrocharis.jpg | image_caption = ''Hydrocharis morsus-ranae'' | taxon = Hydrocharis | authority = L. | type_species = ''Hydrocharis morsus-ranae'' | type_species_authority = L. | synonyms = *''Hydrocharella'' {{small|Spruce ex Benth. & Hook.f.}} *''Hydromystria'' {{small|G.Mey.}} *''Jalambicea'' {{small|(Cerv.) Cerv.}} *''Limnobium'' {{small|Rich.}} *''Rhizakenia'' {{small|Raf.}} *''Trianea'' {{small|H.Karst.}} |synonyms_ref = <ref name = powo>{{cite web |title=''Hydrocharis'' L. |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:19712-1 |website=Plants of the World Online |publisher=Royal Botanic Gardens, Kew |access-date=25 May 2025}}</ref> }}
'''''Hydrocharis''''' is a genus of aquatic plants in the family Hydrocharitaceae described as a genus by Carl Linnaeus in 1753.<ref>[http://www.botanicus.org/page/359057 Linnaeus, Carl von. 1753. Species Plantarum 2: 1036] in Latin</ref><ref>{{Cite web|url=http://www.tropicos.org/Name/40028879|title=Tropicos {{!}} Name - !Hydrocharis L.|website=www.tropicos.org|access-date=2017-01-31}}</ref> Species range across much of Europe and Asia, northwestern and central Africa, New Guinea, and the Americas from the eastern and central United States to Argentina and Chile.<ref name = powo/><ref>{{Cite web|url=http://apps.kew.org/wcsp/namedetail.do?name_id=308123|title=World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew|website=apps.kew.org|language=en|access-date=2017-01-31|archive-date=2020-08-03|archive-url=https://web.archive.org/web/20200803185857/https://wcsp.science.kew.org/namedetail.do?name_id=308123|url-status=dead}}</ref><ref>{{Cite web|url=http://luirig.altervista.org/flora/taxa/index1.php?scientific-name=hydrocharis+morsus-ranae|title=Hydrocharis morsus-ranae [Morso di rana]|website=luirig.altervista.org|language=it|access-date=2017-01-31}}</ref><ref>{{Cite web|url=http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=115986|title=Hydrocharis in Flora of China @ efloras.org|website=www.efloras.org|access-date=2017-01-31}}</ref> Species are naturalized in parts of California, northeastern North America, southern tropical Africa, and Australia.<ref name = powo/><ref>{{Cite web|url=http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=115986|title=Hydrocharis in Flora of North America @ efloras.org|website=www.efloras.org|access-date=2017-01-31}}</ref><ref>Cook, C. D. K. and R. Lüönd. 1982. A revision of the genus ''Hydrocharis'' (Hydrocharitaceae). Aquatic Botany 14: 177--204.</ref><ref>Roberts, M. L., R. L. Stuckey, and R. S. Mitchell. 1981. ''Hydrocharis morsus-ranae'' (Hydrocharitaceae) new to the United States. Rhodora 83: 147--148.</ref>
The best known species is ''Hydrocharis morsus-ranae'', commonly called '''common frogbit''' or '''European frog's-bit''', and occasionally water-poppy.
==Species== Five species are accepted.<ref name = powo/> *''Hydrocharis chevalieri'' <small>(De Wild.) Dandy</small> – Benin, Cameroon, Gabon, Central African Republic, Republic of the Congo, Democratic Republic of the Congo *''Hydrocharis dubia'' <small>(Blume) Backer</small> – Primorsky Krai, China, Japan, Korea, Indian subcontinent, SE Asia, New Guinea *''Hydrocharis laevigata'' {{small|(Humb. & Bonpl. ex Willd.) Byng & Christenh.}} – smooth or South American frogbit; Mexico through Central and South America to Argentina and Chile *''Hydrocharis morsus-ranae'' <small>L.</small> – common or European frogbit; Europe, Siberia, North Africa, Turkey, Caucasus, Kazakhstan *''Hydrocharis spongia'' {{small|Bosc}} – American frogbit; central and eastern United States
==References== {{Reflist}}
==External links== *{{Wikispecies-inline|Hydrocharis|''Hydrocharis''}}
{{Taxonbar|from=Q158871}}
Category:Hydrocharitaceae Category:Hydrocharitaceae genera Category:Aquatic plants Category:Taxa described in 1753 Category:Botanical taxa named by Carl Linnaeus {{Alismatales-stub}}