Fly agaric is one of the most distinctive British fungi, which grows in groups in woodlands or near isolated trees. It forms mycorrhizal associations with tree roots, mainly birch and pine. When it first appear, the young form is covered all over with white warts. As the fungi grows the cap turns red underneath the spots. Fly agaric is considered poisonous and it is used as an insecticide in some countries.
August to November