prickly hornwort

== English == === Noun === prickly hornwort (uncountable) Ceratophyllum muricatum, a freshwater plant, of cosmopolitan distribution. ==== Synonyms ==== (Ceratophyllum muricatum): Ceratophyllum demersum vars.; coon's tail, rigid hornwort, common hornwort ==== Translations ==== === Further reading === Ceratophyllum muricatum on Wikipedia.Wikipedia Ceratophyllum muricatum on Wikispecies.Wikispecies Category:Ceratophyllum on Wikimedia Commons.Wikimedia Commons Ceratophyllum muricatum at USDA Plants database Ceratophyllum muricatum at The Plant List