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      Reassessment of the generic limits for Hydnellum and Sarcodon (Thelephorales, Basidiomycota)

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          Abstract

          Abstract

          DNA sequences from the nuclear LSU and ITS regions were used for phylogenetic analyses of Thelephorales with a focus on the stipitate hydnoid genera Hydnellum and Sarcodon . Analyses showed that Hydnellum and Sarcodon are distinct genera but that the current division, based on basidioma texture, makes Sarcodon paraphyletic with respect to Hydnellum . In order to make genera monophyletic several species are moved from Sarcodon to Hydnellum and the following new combinations are made: Hydnellum amygdaliolens , H. fennicum , H. fuligineoviolaceum , H. fuscoindicum , H. glaucopus , H. joeides , H. lepidum , H. lundellii , H. martioflavum , H. scabrosum , H. underwoodii , and H. versipelle . Basidiospore size seems to separate the genera in most cases. Hydnellum species have basidiospore lengths in the range 4.45−6.95 µm while the corresponding range for Sarcodon is 7.4−9 µm. S. quercinofibulatus deviates from this pattern with an average spore length around 6 µm. Neotropical Sarcodon species represent a separate evolutionary lineage.

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          Most cited references 9

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          Cryptic taxa within European species of Hydnellum and Phellodon revealed by combined molecular and morphological analysis

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            Sarcodon imbricatus and S. squamosus — two confused species

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              Thelephora dominicana (Basidiomycota, Thelephorales), a new species from the Dominican Republic, and preliminary notes on thelephoroid genera

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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
                2019
                10 June 2019
                : 54
                : 31-47
                Affiliations
                [1 ] Natural History Museum, University of Oslo, P.O. Box 1172 Blindern, NO 0318 Oslo, Norway Gothenburg Global Biodiversity Centre Göteborg Sweden
                [2 ] Gothenburg Global Biodiversity Centre, P.O. Box 461, SE 405 30 Göteborg, Sweden University of Oslo Oslo Norway
                [3 ] Department of Biological and Environmental Sciences, University of Gothenburg, P.O. Box 461, SE 405 30 Göteborg, Sweden University of Gothenburg Göteborg Sweden
                [4 ] Royal Botanic Gardens Victoria, Birdwood Ave, Melbourne, Victoria 3004, Australia Royal Botanic Gardens Victoria Victoria Australia
                [5 ] Västkuststiftelsen, Sandöhamnsvägen 71, SE 434 94 Vallda, Sweden Unaffiliated Vallda Sweden
                [6 ] Institute of Ecology and Earth Sciences, 40 Lai Street, 51005 Tartu, Estonia Institute of Ecology and Earth Sciences Tartu Estonia
                Author notes
                Corresponding author: Karl-Henrik Larsson ( k.h.larsson@ 123456nhm.uio.no )

                Academic editor: María P. Martín

                Article
                35386
                10.3897/mycokeys.54.35386
                6579789
                Karl-Henrik Larsson, Sten Svantesson, Diana Miscevic, Urmas Kõljalg, Ellen Larsson

                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
                Bankeraceae
                Molecular Systematics
                Phylogeny
                Taxonomy
                Northern Europe

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