Amanita muscaria may be a mushroom of the Agaricales order that appears in extensive habitats of the hemisphere's temperate and boreal zones. It grows both in low altitudes and high mountainous areas, especially in coniferous forests like fir and black pine, also as in beech and birch forests. It always appears during the top of summer months and is particularly prevalent in autumn.
Its appearance is documented by the cap's red color, covered with white dots, also because of the white stem.
This mushroom contains two psychoactive alkaloids, ibotenic acid, and muscimol, additionally to several other alkaloids. It's been used since antiquity as an intoxicating substance, also as in shamanic contexts and divination.
The name fly agaric comes from the paralyzing effect. It's on some insects. It's known by other names like Hongo matamoscas in Spanish, falsa oronja, reig bord or farinera borda in Catalan, and Amanita muscaria in English.