The 'Lycoperdum Perlatum', more commonly known as a 'Wolf Fart' (pedo de lobo), has a diamater of 132cm and weighs in at a strapping 7,965g.
Pedro Gallego, a wine maker from Palencia, who found a huge mushroom in an oak forest on a hillside near Ziordia in Navarra, last week, says that such a magnificent specimen does not deserve to end up in the kitchen, and that he is thinking of contacting the Guinness Book of Records.