Button Mushroom

Agaricus bisporus

Agaricus bisporus, the cultivated mushroom, is a basidiomycete mushroom native to grasslands in Eurasia and North America. It is cultivated in more than 70 countries and is one of the most commonly and widely consumed mushrooms in the world. It has two color states while immature – white and brown – both of which have various names, with additional names for the mature state, such as chestnut, portobello, portabellini, button, cremini, and champignon de Paris.

Button

A button is a fastener that joins two pieces of fabric together by slipping through a loop or by sliding through a buttonhole.

Mushroom

A mushroom is the fleshy, spore-bearing fruiting body of a fungus, typically produced above ground on soil or another food source. A toadstool generally refers to a poisonous mushroom.

button mushroom

Noun

1. Any member of the species Agaricus bisporus of mushrooms in its white immature state.