This is a dangerous hallucinogen, and should not under any circumstances be ingested due to its toxicity! Supposedly, parboiling it sufficiently makes it safe, but I wouldn't risk it.
The Union of Soviet Socialist Republics depicted it on a postage stamp before it separated into Russia, Ukraine, and the other nations formerly of the USSR.
In Walt Disney's Fantasia, the sequence of the Chinese dance from The Nutcracker Suite utilized mushrooms colored suspiciously like Amanita muscaria as the dancers. This part of it was non-creepy, unlike Night on Bald Mountain and The Sorcerer's Apprentice.
It is also occasionally depicted as a place for fairies or even toads to rest. I find this to be a particularly charming image and thought I would share it: