Species
Tyromyces chioneus (White cheese polypore)
Tyromyces chioneus. Photo: (c) Rebecca Twiss, some rights reserved (CC BY-NC)
Tyromyces chioneus, commonly known as the white cheese polypore, is a species of polypore fungus. A widely distributed fungus, it has a circumpolar distribution, in temperate boreal pine forests, of Asia, Europe, and North America, causes white rot in dead hardwood trees, especially birch