ArticleHow Did Hops End Up in Beer? Photo courtesy of Walter Konig There are some 350,000 known plant species on earth, but only one of them, Humulus lupulus, the hop plant, has become the universal flavoring agent for beer.Already a member? Log InWritten by Horst D. DornbuschYou'll Also Like Article MEMBERS ONLY Hop Creep Explained, Backsweetening, and Maximizing Malt Freshness The term “hop creep” is not to be confused with lupulin shift. The Wiz provides the current understanding of hop creep as well as how to maximize certain flavor components of beer. Article FREE Munich Dunkel: The original brown lager of Bavaria Munich dunkel captures historical Bavarian brewing in a glass: Munich malt, decoction mashing, and clean, smooth lager character.