Champignon or noble mushroom (Agaricus bisporus (J.E.Lange) Imbach) is an edible mushroom from the mushroom family (Agaricaceae). The cap is white, reddish to the touch, at first semi-spherical, later bulging, in old age spreading and flat, smooth, in youth there are remnants of sheaths on the edges, up to 10 cm wide. Leaflets are initially whitish, later reddish brown, dense and free. The stipe is white, initially full, later becomes hollow, stubby, short, up to 6 cm high, up to 15 mm in diameter, easily separated from the cap. The flesh is white, turns pink when cut, and brown on ripe mushrooms, firm, with a pleasant smell and taste. The spores are elliptical, smooth, the otrusine is brown.

The mushroom is naturally distributed in Europe and North America. It grows in pastures, in gardens, in parks, along roads, it likes to grow on well-fertilized soil. We can find it from June to November. It is mass cultivated around the world, it is one of the most common mushrooms.

It is an edible mushroom, of excellent quality. It can also be eaten raw.