This paper presents species of fungi of high toxicity. Their consumption might have serious consequences for health and in many cases it might lead to death. Toxic compounds present in fungi have also been characterised, mechanisms of their toxic activity have been presented and clinical symptoms of poisoning have been described. Hallucinogenic mushrooms have also been mentioned as they have recently become a serious problem: many people use them to intoxicate themselves. There are also species of mushrooms that can be consumed under certain conditions since they can occasionally trigger off serious disturbances for the functioning of organisms.
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