brain mushroom


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Related to brain mushroom: false morel
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Noun1.brain mushroom - a poisonous gyromitrabrain mushroom - a poisonous gyromitra; the surface of the fertile body is smooth at first and becomes progressively undulating and wrinkled (but never truly pitted); color varies from dull yellow to brown
genus Gyromitra - a genus of fungi of the family Helvellaceae with a fertile portion that is tan to brown
gyromitra - any fungus of the genus Gyromitra