English This entry needs a photograph or drawing for illustration. Please try to find a suitable image on Wikimedia Commons or upload one there yourself! English Wikipedia has an article on:waterweedWikipedia Wikispecies has information on: Elodea Etymology From water + weed. Noun waterweed (plural waterweeds) Any of several aquatic herbs of the genus Elodea. Translations genus of aquatic herbs Finnish: vesirutto (fi) German: Wasserpest (de) f Remove adsWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads