Perenniporia puerensis sp nov from southern China

A new polypore, Perenniporia puerensis, collected from Yunnan province, southern China, is described and illustrated based on four collections using morphologybased methods. Macroscopically, the new species is characterized by an annual growth habit, resupinate basidiocarps with a yellow to ochraceous pore surface, and 4-6 pores per mm. Microscopically, it has a dimitic hyphal system with non-dextrinoid and cyanophilous skeletal hyphae that are encrusted with pale-yellow crystals, and basidiospores that are ovoid to subglobose, thick-walled, non-dextrinoid, cyanophilous, and 4.3-5.5 x 3.7-4.7 mu m.