June 5, 2009 | 26 comments

[Slide Show] Seven Deadly 'Shrooms

Fungi hunters and hikers beware, here are seven super toxic mushrooms to avoid

By Katherine Harmon

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BRAIN MUSHROOM

The Gyromitra esculenta, which is also known as a false morel or brain mushroom (given its convoluted surface), can be deadly when consumed raw. Although some in Spain, Sweden and other countries continue to cook and eat them, G. esculenta is suspected to be moderately toxic. (It also has monomethylhydrazine-producing gyromitrin). Unlike many other poisonous mushrooms, the Gyromitra genus often causes neurological symptoms—including comas—as well as gastrointestinal indications.

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