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

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      MycoKeys
      Pensoft Publishers

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

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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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              Stipitate hydnoid fungi of the temperate southeastern United States

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                Author and article information

                Journal
                MycoKeys
                MC
                Pensoft Publishers
                1314-4049
                1314-4057
                June 10 2019
                June 10 2019
                : 54
                : 31-47
                Article
                10.3897/mycokeys.54.35386
                fd01f16e-e55a-44f6-812b-fbfe5a525479
                © 2019

                http://creativecommons.org/licenses/by/4.0/

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