red spotted fly agaric with a yellow tinge in the middle of the

acid agaric agaricales agaricomycetes alkaloid amanita basidiomycota cap chemical color compounds content convex danger fly fungi fungus hallucinogenic ibotenic inedible inesculent magic middle muscaria muscarine muscazone muscimol mushroom mycology mycorrhiza nature organism outdoor part plant poisonous psychoactive red spots spotted tinge toadstool tone top toxic uneatable upper white wild yellow