Phellinus ignarius

''Phellinus igniarius'' is a fungus of the family of Hymenochaetaceae. Like other members of the genus of Phellinus it lives by saprotrophic nutrition, in which the lignin and cellulose of a host tree is degraded and is a cause of white rot. Common names are willow bracket and fire sponge

The fungus forms perennial fruiting bodies that rise as woody-hard, hoof or disc-shaped brackets from the bark of the infested living tree or dead log. The tree species is often willow but it may be.. more