Mushrooms in the forestry

I went to a very interesting and enjoyable walk in the forestry this evening. A natural scientist taught us to know edible mushrooms and how to cook it. She brought a camping gas stove and fried it with butter and made a sauce, then we all got to taste it. It was delicious and a great fun. I've picked mushrooms before and I know a few types but now I know the one's I have to keep away from!