摘 要 ：在研究甘肃、四川、云南的担子菌类时发现如下4新种：云南地红菇（Macowanitesyunnanensis Zang），属红菇科（Russulaceae），地红菇属（Macowanites Kalchbr.）系我国新记录；松针锈耳（Cepidotus pinicola Zang）绣耳科（Crepidotaceae）；蛇盖条孢牛肝菌（Boletellus serpentipileus Zang et Yuan），属松塔牛肝菌〔疣孢牛肝菌科)（Strobilomycotaceae）；喜杉绒盖牛肝菌（Xerocomus piceicola et Yuan），属牛肝菌科（Boletaceae）；长柄灰包（Lycoperdenon longistipum Zang et Yuan），属灰包科（Lycoperdaceae）。
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).