Red mushrooms. According to the website of Plant Science, Russula is a kind of edible fungus, which is long in appearance, red or reddish brown in color, and has a fluffy structure on the surface, which is somewhat similar to Dictyophora. Both the cap and the stalk of Russula are edible, and the taste is soft and delicious. Russula is a kind of nutritious food and one of the common fungus foods. Therefore, it is red mushroom that looks like bamboo sun.