Some UK mushrooms are easy to identify so quite safe to eat, the Giant Puffball, Beefsteak Fungus, Porcelain Fungus, Cauliflower Fungus, Dryads Saddle, the Hedgehog Fungus, Wood Ears, (as long as they are growing on elder), if you are very lucky the Truffle, or Chicken of the Woods (as long as...