There are black spots on the red mushroom, but not on the poisonous mushroom. First: judging from the smell, the smell of russula is fragrant, and the smell of poisonous russula is spicy. Second: distinguish from the size of the fruiting body. The fruiting body of Russula is generally large, the stipe is thick, the epidermis of the cap is fragile, and red juice will flow when it is broken; Poisonous russula, also known as red mushroom, is similar in appearance to red mushroom, but its fruiting body is generally smaller and its handle is thinner than red mushroom. The main differences between true and false russula are shape discrimination, mushroom foot discrimination, color discrimination, taste discrimination and mushroom pleat color discrimination. 65438+ 2. Mushroom feet distinguish the surface of the handle of red mushrooms should be pink, while the mushroom feet are hollow. As for the white and full texture, it is the "cottage" red mushroom. 3, the color is really red mushrooms, the water will turn red. Russula is red, because there are natural pigments in it, so it is certain to turn red. It's just that the water of fake russula is dark red and smells like dye, while the water of real russula is pink and a little fragrant. After the red mushroom is cooked, the color of the mushroom will gradually fade as the nutrients of the mushroom enter the soup. The delicacy of russula lies in the soup.