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Taxonomic position of Melomastia italica sp. nov. and phylogenetic reappraisal of Dyfrolomycetales

Chada NORPHANPHOUN, Rajesh JEEWON, Eric H. C. McKENZIE, Ting-Chi WEN, Erio CAMPORESI & Kevin D. HYDE

en Cryptogamie, Mycologie 38 (4) - Pages 507-525

Publié le 29 décembre 2017

Taxonomic position of Melomastia italica sp. nov. and phylogenetic reappraisal of Dyfrolomycetales

Melomastia is a genus of saprobic fungal species found on wood, with 29 species epithets listed in Index Fungorum. The classification of species in the genus has been a challenge due to a high degree of morphological overlap and a lack of DNAbased phylogenies. The present study clarifies the phylogenetic placement of the genus and with an additional new species based on a fresh collection from Italy. The new species, Melomastia italica, is described based on morphological and relationships inferred from phylogenetic analyses of SSU and LSU sequence data. Melomastia is accommodated within the family Pleurotremaceae in the class Dothideomycetes. The phylogenetic relationships and intergeneric taxonomy within the family Pleurotremaceae are revisited, while Dyfrolomyces maolanensis is transferred to the genus Melomastia.


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