orange fly agaric, with fluffy ringlet on the white thick stem a

acid agaric alkaloid amanita autumn cap chemical circle compounds content danger erect flat fleecy fluffy fly forest formosa furry generic hallucinogenic head ibotenic inedible inesculent muscaria muscarine muscazone muscimol orange pileus poisonous psychoactive red ring ringlet season species spots spotted stem stipe straight summer thick toadstool toxic uneatable vegetation white