How to identify it?
Fruiting Body
Fruiting body medium sized. Cap 2.5-13 cm across, hemispherical at first, expanding to nearly flat; whitish, pale grey-brown; surface covered with flat feathery scales (more rarely cream and non-scaly). Fruiting body medium sized. Odour and taste not distinctive.
Flesh
Flesh soft, firm, white, turns pale pinkish-red when cut. Odour and taste not distinctive.

Scientific Classification

Phylum
Club fungi Class
Mushroom-forming fungi Order
Gilled fungi Family
Agaricaceae Genus
Agaricus Species
Button mushroom