Agaricus bisporus is a species of mushroom commonly known as the button mushroom. It is one of the most widely cultivated and consumed mushrooms in the world. This mushroom is typically small, with a smooth, white cap that can turn brown as it matures. It is often used in various culinary dishes due to its mild flavor and firm texture. In addition to its culinary uses, Agaricus bisporus is also valued for its nutritional benefits. It is low in calories and a good source of vitamins, minerals, and antioxidants. This mushroom can be found in grocery stores and is popular in salads, soups, and stir-fries.