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Three fungal taxa were collected on dead branches of wood during fieldwork in Sichuan and Yunnan Provinces, China. The new generic name <i>Brunneosporopsis</i> gen. nov. and species <i>B</i>. <i>yunnanensis</i> sp. nov. are introduced for a novel taxon characterized by globose to subglobose and dark olivacous-brown conidia. Phylogenetic analyses based on combined LSU, SSU and <i>tef</i>1-α loci strongly support the monophyly of this taxon and place it in the subclass Diaporthomycetidae. It could not be assigned to any currently recognized families in the subclass and was, therefore, placed in the Diaporthomycetidae genera <i>incertae sedis</i>. A second taxon represents a new species in <i>Allocryptovalsa</i> based on an analysis of the sequence datasets of ITS and <i>btub</i> loci of the novel, brown-spored sexual morphic species. This taxon is described here as <i>A</i>. <i>xishuangbanica</i> sp. nov. An interesting hypocrealean fungus producing synnemata, <i>Stilbocrea gracilipes</i>, was collected from dead wood of an unknown host from Sichuan Province and is reported here, with asexual morph from both the host and culture as well as LSU, ITS, <i>tef</i>1-α, <i>rpb</i>2 and <i>rpb</i>1 sequence data.