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      Arboricolonus simplex gen. et sp. nov. and novelties in Cadophora, Minutiella and Proliferodiscus from Prunus wood in Germany

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      MycoKeys

      Pensoft Publishers

      Ascomycota , Eurotiomycetes , Leotiomycetes , new taxa, phylogeny, systematics

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          Abstract

          Abstract

          During a survey on fungi associated with wood necroses of Prunus trees in Germany, strains belonging to the Leotiomycetes and Eurotiomycetes were detected by preliminary analyses of ITS sequences. Multi-locus phylogenetic analyses (LSU, ITS, TUB, EF-1α, depending on genus) of 31 of the 45 strains from Prunus and reference strains revealed several new taxa, including Arboricolonus gen. nov., a new genus in the Helotiales ( Leotiomycetes ) with a collophorina-like asexual morph. Seven Cadophora species ( Helotiales , Leotiomycetes ) were treated. The 29 strains from Prunus belonged to five species, of which C. luteo-olivacea and C. novi-eboraci were dominating; C. africana sp. nov., C. prunicola sp. nov. and C. ramosa sp. nov. were revealed as new species. The genus Cadophora was reported from Prunus for the first time. Phialophora bubakii was combined in Cadophora and differentiated from C. obscura , which was resurrected. Asexual morphs of two Proliferodiscus species ( Helotiales , Leotiomycetes ) were described, including one new species, Pr. ingens sp. nov. Two Minutiella species ( Phaeomoniellales , Eurotiomycetes ) were detected, including the new species M. pruni-avium sp. nov. Prunus avium and P. domestica are reported as host plants of Minutiella .

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          Most cited references 87

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          International Code of Nomenclature for algae, fungi, and plants

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            Chalara fraxineasp. nov. associated with dieback of ash (Fraxinus excelsior) in Poland

             T Kowalski (2006)
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              The Colletotrichum boninense species complex

              Although only recently described, Colletotrichum boninense is well established in literature as an anthracnose pathogen or endophyte of a diverse range of host plants worldwide. It is especially prominent on members of Amaryllidaceae, Orchidaceae, Proteaceae and Solanaceae. Reports from literature and preliminary studies using ITS sequence data indicated that C. boninense represents a species complex. A multilocus molecular phylogenetic analysis (ITS, ACT, TUB2, CHS-1, GAPDH, HIS3, CAL) of 86 strains previously identified as C. boninense and other related strains revealed 18 clades. These clades are recognised here as separate species, including C. boninense s. str., C. hippeastri, C. karstii and 12 previously undescribed species, C. annellatum, C. beeveri, C. brassicicola, C. brasiliense, C. colombiense, C. constrictum, C. cymbidiicola, C. dacrycarpi, C. novae-zelandiae, C. oncidii, C. parsonsiae and C. torulosum. Seven of the new species are only known from New Zealand, perhaps reflecting a sampling bias. The new combination C. phyllanthi was made, and C. dracaenae Petch was epitypified and the name replaced with C. petchii. Typical for species of the C. boninense species complex are the conidiogenous cells with rather prominent periclinal thickening that also sometimes extend to form a new conidiogenous locus or annellations as well as conidia that have a prominent basal scar. Many species in the C. boninense complex form teleomorphs in culture. Taxonomic novelties: New combination - Colletotrichum phyllanthi (H. Surendranath Pai) Damm, P.F. Cannon & Crous. Name replacement - C. petchii Damm, P.F. Cannon & Crous. New species - C. annellatum Damm, P.F. Cannon & Crous, C. beeveri Damm, P.F. Cannon, Crous, P.R. Johnst. & B. Weir, C. brassicicola Damm, P.F. Cannon & Crous, C. brasiliense Damm, P.F. Cannon, Crous & Massola, C. colombiense Damm, P.F. Cannon, Crous, C. constrictum Damm, P.F. Cannon, Crous, P.R. Johnst. & B. Weir, C. cymbidiicola Damm, P.F. Cannon, Crous, P.R. Johnst. & B. Weir, C. dacrycarpi Damm, P.F. Cannon, Crous, P.R. Johnst. & B. Weir, C. novae-zelandiae Damm, P.F. Cannon, Crous, P.R. Johnst. & B. Weir, C. oncidii Damm, P.F. Cannon & Crous, C. parsonsiae Damm, P.F. Cannon, Crous, P.R. Johnst. & B. Weir, C. torulosum Damm, P.F. Cannon, Crous, P.R. Johnst. & B. Weir. Typifications: Epitypifications - C. dracaenae Petch.
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                Author and article information

                Contributors
                Journal
                MycoKeys
                MycoKeys
                11
                urn:lsid:arphahub.com:pub:C004A564-9D6A-5F9F-B058-6A3815DFE9C3
                MycoKeys
                Pensoft Publishers
                1314-4057
                1314-4049
                2020
                02 March 2020
                : 63
                : 119-161
                Affiliations
                [1 ] Senckenberg Museum of Natural History Görlitz, PF 300 154, 02806 Görlitz, Germany Senckenberg Museum of Natural History Görlitz Görlitz Germany
                [2 ] International Institute Zittau, Technische Universität Dresden, Markt 23, 02763 Zittau, Germany Technische Universität Dresden Zittau Germany
                Author notes
                Corresponding author: Ulrike Damm ( ulrike.damm@ 123456senckenberg.de )

                Academic editor: D. Haelewaters

                Article
                46836
                10.3897/mycokeys.63.46836
                7062850
                Steffen Bien, Ulrike Damm

                This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                Categories
                Research Article
                Anamorphic Fungi
                Eurotiomycetes
                Helotiales
                Leotiomycetes
                Molecular Systematics
                Phylogeny
                Taxonomy
                Germany
                South Africa
                Lesotho and Swaziland

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