Klumpen0815: I don't like mushrooms anyway, but it may be fun to go through markets with a Geiger-counter. :D
Tarnicus: I'm not a fan of them either but they can be a valuable survival food, IF you know how to identify them, which can be difficult as sometimes the only differences can be seen on a spore print under magnification. If any of you happen to play my post-apocalyptic game-book (hopefully the first of a series) when it is complete, here is a tip!
Amanita muscaria mushrooms can save your life, regardless of what you read in survival books! Fortunately this information is becoming more wide-spread, however many older text list them as deadly. They are not, especially when prepared correctly. They are starting to come up in my area now as Autumn/Fall is here. Boil them for 10 minutes. Drink the water for a psychoactive effect (at your own risk) as that converts the ibotenic acid to muscimol, the "high" and leaves the flesh safely edible :)
The nicest mushrooms to eat in the mountains are
Saffron Milk Caps. I don't really like mushrooms but these are pretty nice raw. Masses of people drive 2 hours from Sydney every year to harvest them.
BTW: I was told that mushroom picking in Australia is illegal... That's what I was told by mate in Victoria... In Victoria there aren't many wild mushrooms, and kangaroos seem to like them. Saffron milk caps fried on butter are just freaking amazing!!