Parasite fungus. It causes a strong white rot of wood, large, perennial, arboreal, adhered to the side of the tree and the ground. Semicircular shape. It can grow up to 50 cm in width, and can be up to 7 cm thick. The edge is often with a characteristic white trim, quite sharp. The surface of the fungus is matte, porous, slightly wavy. It shows a spherical growth of the fungus in the form of semi-circles with a lighter brown color. The top of the mushroom is brown, rusty, red-brown, gray-brown in color. It has a rind that is quite delicate and may be about 1 mm thick. During sporulation, the top of the fungus is covered with spores that resemble cocoa powder, cinnamon. The bottom of the fungus is made of small pores, white in young fruiting bodies, turning brown when pressed, turning yellow in older ones.

The flesh is pliable, homogeneous, resembling a cork physically. Thickness up to 6 cm in mature specimens. In young fruiting bodies it is white and, as in the case of pores, turns brown when pressed. With age, the flesh becomes brown, dark brown. Very mushroom aroma, bitter taste.

Occurrence. Common species. The fruiting bodies grow on cut, fallen dead trunks of deciduous trees. Value. Inedible fungus

Photo: Panasonic Lumix FZ82, 20 October 2020, Jura Silesia, Poland
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