About Pirex concentricus (Cooke & Ellis) Hjortstam & Ryvarden
Pirex is a fungal genus that belongs to the family Meruliaceae. This genus is monotypic, meaning it contains only one species: the crust fungus Pirex concentricus. Pirex concentricus is found in the Pacific Northwest region of North America. In this region, it causes white rot in woody hardwood and conifer debris created by timber harvesting.