A new corticioid fungus, Alloexidiopsis sinensis (Auriculariales, Basidiomycota), in China, evidenced by morphological characteristics and phylogenetic analyses Author Dong, Junhong 0000-0001-8740-0805 College of Forestry, Southwest Forestry University, Kunming 650224, P. R. China fungijunhondong@163.com Author Gu, Zirui 0000-0003-1476-9040 College of Forestry, Southwest Forestry University, Kunming 650224, P. R. China fungiziruig@163.com Author Wang, Yuyun 0009-0007-7011-0327 College of Forestry, Southwest Forestry University, Kunming 650224, P. R. China fungiyuyunw@163.com Author Shi, Yinmei 0000-0002-5962-7049 Xianggelila Forestry and Grassland Bureau, Diqing, 674499, P. R. China 17708878113@163.com Author Zhao, Changlin 0000-0002-8668-1075 College of Forestry, Southwest Forestry University, Kunming 650224, P. R. China fungichanglinz@163.com text Phytotaxa 2024 2024-07-05 658 3 227 239 http://dx.doi.org/10.11646/phytotaxa.658.3.1 journal article 10.11646/phytotaxa.658.3.1 1179-3163 13217680 Key to the known species of Alloexidiopsis worldwide 1. Basidiospores allantoid.......................................................................................................................................................................2 1. Basidiospores cylindrical....................................................................................................................................................................3 2. Hymenial surface smooth, basidiospores <14 μm long...................................................................................... Alloexidiopsis nivea 2. Hymenial surface grandinoid, basidiospores> 14 μm long ............................................................................ Alloexidiopsis sinensis 3. Basidia <28 μm long, cystidia cylindrical.........................................................................................................................................4 3. Basidia> 28 μm long, cystidia clavate to fusiform.................................................................................. Alloexidiopsis yunnanensis 4. Hymenial surface smooth...................................................................................................................................................................5 4. Hymenial surface granulose to pruinose ............................................................................................................ Alloexidiopsis calcea 5. Basidiospores> 11 μm long, cystidia <25 μm long ................................................................................ Alloexidiopsis australiensis 5. Basidiospores <11 μm long, cystidia> 25 μm long ................................................................................... Alloexidiopsis schistacea