*[http://herb.umd.umich.edu/herb/search.pl?searchstring=Heracleum%20sphondylium Moerman, Native American Ethnobotany]
*[http://www.plantnames.unimelb.edu.au/Sorting/Heracleum.html Multilingual Plant Name Database]
*[http://www.hort.purdue.edu/newcrop/nexus/Heracleum_sphondylium_nex.html NewCrop Purdue]
*[http://www.theplantlist.org/tpl1.1/search?q=Heracleum+sphondylium Plant List]
*[http://pfaf.org/user/Plant.aspx?LatinName=Heracleum%20sphondylium Plants for a future]
*[httphttps://www.tela-botanica.org/page:eflore_bdtfx?referentiel=bdtfx&niveau=2&module=fiche&action=fiche&type_nom=nom_scientifique&nom=Heracleum%20sphondylium -nn-31656 Tela Botanica]*[http://tropical.theferns.info/viewtropical.php?id=Heracleum%20sphondylium Useful Tropical Plants Database]
*[https://fr.wikipedia.org/wiki/Heracleum%20sphondylium Wikipédia]
*[http://www.wikiphyto.org/wiki/Heracleum%20sphondylium Wikiphyto]
[[Category:Heracleum]]