Photo taken New forest, 2003
As these fungi matures their caps flatten and the spots drop off with age. The cap can measure up to 25cms across. It is found throughout the UK from September - November. Often found in pine woodlands, and also around the base of birch trees.
WARNING - The fly agaric is poisonous. It is known to cause hallucinations, violent stomach upsets, uncontrollable muscle spasms and could be fatal.