@ARTICLE{TreeBASE2Ref22391, author = {Ying Chu and Siti Aisyah Alias and Rizman Idid and Sheng Yu Guo and Ka-Lai Pang}, title = {A molecular reappraisal of Nimbospora (Halosphaeriaceae, Microascales) and a new genus Ebullia for N. octonae}, year = {2013}, keywords = {Ascomycota, Marine fungi, Sordariomycetes, Taxonomy}, doi = {}, url = {http://}, pmid = {}, journal = {Mycoscience}, volume = {}, number = {}, pages = {}, abstract = {Nimbospora is a genus in the Halosphaeriaceae with three species: N. effusa (type species), N. bipolaris and N. octonae. All species have bi-celled ascospores with a prominent sheath. A second type of appendage is present in the former two species, a single tuft of fibrillar appendages is present in N. effusa and two occur in N. bipolaris. Nimbospora effusa and N. bipolaris are morphologically similar, but there are major morphological differences in ascomatal morphology between N. effusa/N. bipolaris and N. octonae. In this study, morphology of N. effusa and N. octonae and phylogeny of the three Nimbospora species based on the partial 18S and 28S rRNA genes were investigated. Bayesian analysis suggested that Nimbospora is not monophyletic. Nimbospora effusa groups with N. bipolaris in a well-supported clade with Naufragella spinibarbata forming a sister group. Nimbospora octonae, however, clusters with Haligena elaterophora in a separate, well-supported clade. The ascoma of N. octonae differs from that of N. effusa and N. bipolaris by its thick peridium, ascospores lacking equatorial tufts of appendages but having polar and equatorial subulate appendages after the sheath is dissolved. Based on these characters and the correlating phylogenetic distance, a new genus, Ebullia, is established to accommodate N. octonae.} }

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