Pleurotus ostreatus is a kind of mushroom and algae food, with brown mushroom cover, radial fine lines, wavy and curved edges, white, soft and tender mushroom meat.

Pleurotus ostreatus is a kind of Agaricus blazei, which has a shell-shaped or fan-shaped cover. It is bluish gray or dark when it is young, and turns light gray or yellowish brown or yellow when it is old. Its meat is not old, tender and delicious, so Pleurotus ostreatus is a unique variety.