cow lily

== English == === Noun === cow lily (countable and uncountable, plural cow lilies) A water lily of species Nuphar advena, of temperate eastern North America. Synonyms: yellow pond-lily, spatterdock ==== Alternative forms ==== cow-lily === References === Nuphar advena on Wikipedia.Wikipedia Nuphar advena on Wikispecies.Wikispecies Category:Nuphar advena on Wikimedia Commons.Wikimedia Commons