*[https://hort.purdue.edu/newcrop/nexus/Plantago_nex.html NewCrop Purdue]
*[http://www.theplantlist.org/tpl1.1/search?q=Plantago+arenaria Plant List]
*[http://unt-ori2.crihan.fr/unspf/2014_Lyon_Dijoux_Phytotherapie/co/Psyllium.html Plantes de phytothérapie]
*[http://pfaf.org/user/Plant.aspx?LatinName=Plantago%20arenaria Plants for a future]
*[https://www.tela-botanica.org/bdtfx-nn-49833 Tela Botanica]