Abstract
A new species, Hymenochaete fissurata is reported from Yunnan and Sichuan Provinces, Southwestern China. It is characterized by hard and densely cracked basidiocarps, presence of a distinct cortex and hyphal layer (in section Hymenochaete), compacted and cemented hyphae, relatively sho3ew species, which is compared morphologically with similar species. A key to all the 31 species of Hymenochaete recorded in Yunnan and Sichuan Provinces is provided.