How to identify it?
Cap
Cap 8-30 cm across, hoof-shaped, triangular, semicircle or sector; orange-yellow to later dark reddish, then becoming brown; surface varnished.
Flesh
Flesh leathery to woody, hard, whitish. Taste bitter.

Scientific Classification

Phylum
Club fungi Class
Mushroom-forming fungi Order
Shelf fungi Family
Bracket polypores Genus
Fomitopsis Species
Red-belted conk