*[http://www.plantnames.unimelb.edu.au/Sorting/Piper.html Multilingual Plant Name Database]
*[http://www.theplantlist.org/tpl1.1/search?q=Piper+caninum Plant List]
*[[:en:Piper caninum (PROSEA)|PROSEA sur Pl@ntUse]]
*[http://proseanet.org/prosea/e-prosea_detail.php?frt=&id=540 PROSEA]
*[http://www.tela-botanica.org/page:eflore_bdtfx?referentiel=bdtfx&niveau=2&module=fiche&action=fiche&type_nom=nom_scientifique&nom=Piper%20caninum Tela Botanica]