Amanita virosa
English: Destroying angel; Death angel.
Region: Europe.
Habitat: various deciduous and coniferous trees.
Content: α-amanitin damages the liver and kidneys, usually fatally.
Use: very poisonous, one cap can to kill an adult; easily confused with Portobello mushroom.
Mycology
Fungus; deadly poisonous; large fruiting bodies; in summer and autumn.
Cap: white.
Stipe: white.
and gills are all white in colour.
The symptoms of poisoning comes generally several hours afterwards, a fact which makes this fungus even more problematic. Along with its geographical namesakes, A. virosa is one of the most poisonous of all known poisonous mushrooms; its principal toxic constituent