*[http://www.theplantlist.org/tpl1.1/search?q=Hydrocharis+dubia Plant List]
*[http://pfaf.org/user/Plant.aspx?LatinName=Hydrocharis%20dubia Plants for a future]
*[[Hydrocharis dubia (PROSEA)|PROSEA on Pl@ntUse]]
*[http://proseanet.org/prosea/e-prosea.php PROSEA]
*[http://www.tela-botanica.org/page:eflore_bdtfx?referentiel=bdtfx&niveau=2&module=fiche&action=fiche&type_nom=nom_scientifique&nom=Hydrocharis%20dubia Tela Botanica]