*[http://www.theplantlist.org/tpl1.1/search?q=Portulaca+oleracea Plant List]
*[http://pfaf.org/user/Plant.aspx?LatinName=Portulaca%20oleracea Plants for a future]
*[[:en:Portulaca (PROSEA)|PROSEA sur Pl@ntUse]]
*[http://proseanet.org/prosea/e-prosea.php PROSEA]
*[[Portulaca oleracea (PROTA)|PROTA sur Pl@ntUse]]