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Open Access Multi-locus phylogenetic analysis of lophiostomatoid fungi motivates a broad concept of Lophiostoma and reveals nine new species

Recent studies on the fungal families Lophiostomataceae and Lophiotremataceae (Pleosporales) have provided varying phylogenetic and taxonomic results concerning constituent genera and species. By adding DNA sequences of 24 new strains of Lophiostomataceae and nine new strains of Lophiotremataceae to a sequence data matrix from international databases, we provide a new understanding of the relationships within these families. Multigene analysis of the four molecular markers ITS, LSU, TEF1-α, and RPB2 reveals that the genera within Lophio- tremataceae are phylogenetically well supported. Lophiostoma myriocarpum is recognised as a species of Lophiotrema in contrast to earlier concepts. In Lophiostomataceae, we resurrect a broad generic concept of the genus Lophiostoma and reduce 14 genera to synonymy: Alpestrisphaeria, Biappendiculispora, Capulatispora, Coelodictyosporium, Guttulispora, Lophiohelichrysum, Lophiopoacea, Neopaucispora, Neotrematosphaeria, Platystomum, Pseudocapulatispora, Pseudolophiostoma, Pseudoplatystomum, and Sigarispora. Nine new species are described based on molecular data and in most cases supported by morphological characters: Antealophiotrema populicola, Atrocalyx nordicus, Lophiostoma carpini, Lophiostoma dictyosporium, Lophiostoma erumpens, Lophiostoma fusi- sporum, Lophiostoma jotunheimenense, Lophiostoma plantaginis, and Lophiostoma submuriforme. Lophiostoma caespitosum and Lophiotrema myriocarpum are lecto- and epitypified to stabilise their species concepts. High intraspecific variability of several morphological traits is common within Lophiostomataceae.

Keywords: LOPHIOSTOMATACEAE; LOPHIOTREMATACEAE; MOLECULAR PHYLOGENY; NEW TAXA; PLEOSPORALES; TAXONOMY

Document Type: Research Article

Publication date: June 30, 2021

This article was made available online on June 12, 2021 as a Fast Track article with title: "Multi-locus phylogenetic analysis of lophiostomatoid fungi motivates a broad concept of Lophiostoma and reveals nine new species".

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  • Persoonia aims to publish papers dealing with molecular phylogeny and evolution of fungi. A further aim is to promote fungal taxonomy by employing a polythetic approach to clarify the true phylogeny and relationships within the kingdom Fungi. The journal publishes high-quality papers elucidating known and novel fungal taxa at the DNA level, and also strives to present novel insights into evolutionary processes and relationships. Papers to be considered include research articles and reviews.

    Papers are published using a Fast Track system. This implies that the papers are immediately published online and freely available through the internet via this website. Volumes appear twice a year (June and December). From Volume 36 onwards (2016) hard copy volumes will only be made available through printing-on-demand. The issues can be ordered separately through the Publication Division of Naturalis Biodiversity Center; e-mail: [email protected]

    Persoonia is a journal published jointly by the Naturalis Biodiversity Center and the Westerdijk Fungal Biodiversity Institute.
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