Pleurotus ostreatus: a kind of wood-rotting fungus with sticky cover in winter and spring, which is one of the main cultivated edible fungi. It belongs to pholiota adiposa genus of Pleurotus. The scientific name is Pholiota nameko Ito ex Imai. It is also known as the Bare Hat Umbrella and the Bare Hat pholiota adiposa. Every 100g of dried Lentinus edodes contains crude protein 2 1.8g, fat 4.25g, carbohydrate 64.8g and cellulose 7.35g. The fruiting body is rich in polysaccharide, which can improve the immunity of the body. In nature, it mostly grows on fallen trees or stumps of broad-leaved trees such as FAGACEAE, and the trunk of pine trees or incomplete dead broad-leaved trees can also grow. The fruiting bodies of Pholiota nameko are clustered, and there is a layer of extremely sticky mucus (mainly composed of amino acids) on the surface of the cap. The surface is yellowish brown, the middle is reddish brown, and there is no scale. 2.5-8.5cm in diameter, initially flat and hemispherical, flat or slightly concave in the middle after opening the umbrella. Mushroom meat is light yellow. The stem is medium-sized, cylindrical, sometimes slightly enlarged at the base, yellow, soft inside, 5-7 cm long and 5- 10 mm thick. The fungus ring is yellow, born in the upper part of the stem and easy to disappear.

Crab-flavored mushroom: It may look like a crab-legged mushroom.