Agaricus bisporus
The genus "Agaricus" includes some species that are cultivated commercially throughout the world. The common "button mushroom", "Agaricus bisporus", is the most widely cultivated edible mushroom. "Agaricus blazei" is a well-known medicinal mushroom used for a number of therapeutic and medicinal purposes. Several species are poisonous, such as some "Lepiota", "Agaricus sect. Xanthodermatei" and "Chlorophyllum" species .