Agaricus bisporus—known variously when white as common
mushroom, button mushroom, white mushroom, cultivated
mushroom, table mushroom, champignon mushroom, cremini/crimini
mushroom, when brown as Swiss brown mushroom, Roman brown
mushroom, Italian brown, Italian mushroom, brown cap
mushrooms, chestnut mushroom, and when mature as
Portobello mushroom—is an edible basidiomycete mushroom
native to grasslands in Europe and North America.
Agaricus bisporus is cultivated in more
than 70 countries and is one of the most commonly and
widely consumed mushrooms in the world.