Edibility : Edible.
Time and place of occurrence : generated in spring ~ autumn, on the dead broadleaf tree or on bronken branches
Features : It grows on dead trees together or one by one. Diameter of its cap is 2~8cm long and its round mountain shape changes into shell shape. Its surface has light gray and brown color but it’s also changed into white and light yellow. It smells like flour and tastes soft. The size of spores is 6~10×3~4㎛ and spores are cylindrical pattern in gray, pink, light gray. It is edible but can cause decay in the trees as a white-rot fun-gi.