Abstract: Five new taxa of Basidiomycota are Previously undescribed from Gansu,Sichuan,yunnan of China.1.Macowanites yunnanensis Zang (Russulaceae),the genus Macowanites Kalchbr. is a new record to China. 2. Crepidotus Piceicola Zang (Crepidotaceae).3 Boletellus serpentipileus Zang et Yuan (Stro-dilomycetaceae).4.Xerocomus pinicola Zang et Yuan (Boleteceae).5.Lycoperdon longistipum Zang et M.S.Yuan (Lycoperdaceae).The morphological differences, habitats and similarities of these new taxa are compared with closely related species. The holotypes are deposited in the Crybarium Herbarium ,Kunming lnstitute of Botany(HKAS).

Key words: Macowanites, M.yunnanensis Boletellus serpentipileus, Xerocomus Piceicola, Lycoperdon longistipum