The fly agaric fungus is widely distributed in forests and woodlands of the temperate and boreal regions of the northern hemisphere, including Europe, northern Asia and North America.

Where does Amanita muscaria grow in the US?

Amanita muscaria var. guessowii American fly agaric (yellow variant) Amanita muscaria var. formosa has a yellow to orange cap, with the centre more orange or perhaps even reddish orange. It is found most commonly in northeastern North America, from Newfoundland and Quebec south all the way to the state of Tennessee.

Does fly agaric grow in California?

In the California, Amanita muscaria occurs primarily under pines, especially Monterey and Bishop pine. Fruitings occur in early winter, and can be spectacular, with large groups or rings brightening the woods. The Fly Agaric shares the pine habitat with the much sought after King Bolete, Boletus edulis.