Additions to the genus Massariothea in Diaporthaceae
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Massariothea is a coelomycetous genus that produces brown, distoseptate conidia with species commonly reported on grasses (Poaceae) worldwide. Two undescribed Massariothea species associated with grass hosts were collected in Thailand, Chiang Rai province. Phylogenetic analysis of ITS, LSU, and EF1-α sequence data revealed that the new taxa nested in the family Diaporthaceae. Massariothea thailandica and M. thysanolaenae are therefore introduced as novel species and compared with other Massariothea species. Detailed accounts of the morphological characters of the new species are provided with illustrations.
KeywordsAsexual morph Distoseptate conidia EF1-α ITS LSU New species Poaceae
Kasun M. Thambugala specially appreciates Professor Jayarama Bhat and Dr. Nalin N. Wijayawardene for the helpful comments and advice on the manuscript. Shaun Pennycook is thanked for checking and suggesting corrections to the Latin names.
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