Phellinus igniarius
![](/Images/godic/202502/02/Phellinus_igniarius_Oak_2009_G15515.jpg")
![Der Gelbbauch-Saftlecker nutzt die vom Gemeinen Feuerschwamm verursachte Fäule des Holzes aus, um seine Nisthöhle zu bauen](/Images/godic/202502/02/Sphyrapicus_variusPCSL11319B5515.jpg")
Phellinus igniarius (syn. Phellinus trivialis ) 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