Pleurotus ostreatus is a kind of mushrooms, and its colors are very rich, such as black, white, gray and brown. In addition, the color of Pleurotus ostreatus will change according to the temperature. For example, when the temperature is low, the color of Pleurotus ostreatus is gray or brown, and when the temperature becomes high, its color will turn gray. Please click to enter a picture description.