New species in Dictyosporium, new combinations in Dictyocheirospora and an updated backbone tree for Dictyosporiaceae Author Yang, Jing Author Liu, Jian-Kui Author Hyde, Kevin D. Author Jones, E. B. Gareth Author Liu, Zuo-Yi text MycoKeys 2018 36 83 105 http://dx.doi.org/10.3897/mycokeys.36.27051 journal article http://dx.doi.org/10.3897/mycokeys.36.27051 1314-4049--83 Dictyocheirospora tetraploides (L. Cai & K.D. Hyde) J. Yang & K.D. Hyde comb. nov. Basionym. Dictyosporium tetraploides L. Cai & K.D. Hyde, Sydowia 55 (2): 132 (2003) Holotype. CHINA. Yunnan, Xishuangbanna, Menglun, a small stream, on submerged wood, 21 June 2002, L. Cai (HKUM 17146). Notes. Dictyocheirospora tetraploides is morphologically similar to Di. musae in conidial shape, size, colour and appendages. However, conidia of Di. tetraploides have 5-rowed cells, while those of Di. musae are 7-rowed cells ( Photita et al. 2002 , Cai et al. 2003 ).