Very few mushrooms are edible, since most of them are toxic to humans and can create great harm to us when consumed, even death!
Agaricus bisporus, also known as common mushroom, is an edible mushroom with several names; button mushroom, white mushroom, cultivated mushroom, table mushroom, champignon, mushroom, portabello mushrooms, you name it, they are all the same mushroom!
The name you give to this mushroom depends on it's different levels of maturity and color! There is no way on going wrong when asked to pick up an Agaricus bisporus.
