@ARTICLE{TreeBASE2Ref15842, author = {Iman Hidayat and Rajesh Jeewon and Chaiwat To-anun and Kevin D Hyde}, title = {The genus Oxydothis: New palmicolous taxa and phylogenetic relationships within the Xylariales}, year = {2006}, keywords = {}, doi = {}, url = {}, pmid = {}, journal = {Fungal Diversity}, volume = {23}, number = {}, pages = {}, abstract = {Oxydothis (Xylariales) is an ascomycete genus, commonly encountered on decaying monocot plants, such as palms. During our study on diversity of palmicolous fungi in northern Thailand, we encountered three new species of Oxydothis. Oxydothis cyrtostachicola sp. nov., O. wallichianensis sp. nov., and O. inaequalis sp. nov. are described and illustrated in this paper. The three novel species differ from other morphologically similar Oxydothis species in ascomata shape and ostiole position, ascal ring, and ascospore morphology. Phylogenetic affiliations of the new taxa with members of related ascomycete families within the Xylariales are discussed based on morphology and nrDNA sequence data. The phylogenetic relationships of Oxydothis and its familial placement are still obscure based on the 28S nrDNA sequence analyses.28S nrDNA genes sequences do not provide significant phylogenetic information into the evolutionary relationships of these xylariaceous fungi. ITS nrDNA sequence analyses, however, indicate that Oxydothis is more closely related to members of the Amphisphaeriaceae than Diatrypaceae and Xylariaceae.} }

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