What is Botrytis?

Ever heard of Botrytis?  Botrytized Wine? How about Tokaji, Tokay, or Sauternes? Beerenauslese or Trockenbeerenauslese? All of these words on a wine label indicate that the wine was made from grapes hosting a fungus by the name of Botrytis cinerea.  Usually when we hear about fungus on our…