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Cortinarius sect. Riederi: taxonomy and phylogeny of the new section with European and North American distribution

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Abstract

Cortinarius is one of the most species-rich genera of mushroom-forming fungi. Based on phylogenetic and morphological evidence, Cortinarius, sect. Riederi, is introduced at sectional level (= subsect. Riederi sensu Brandrud & Melot). The taxonomy, phylogeny, ecology and distribution of not only mainly European but also including some North American taxa of this section are treated, which includes nine species and two varieties. Of these, three taxa are described as new (C. burlinghamiae, C. pallidoriederi and C. argenteolilacinus var. dovrensis). The sect. Riederi species possess morphological features similar to Phlegmacium group(s) and forms a phylogenetically isolated lineage, with no supported affinity to other phlegmacioid groups. Three taxa are known from both Europe and North America, two species are known only from North America and five only from Europe. Altogether, eight of the ten taxa are associated with conifers or northern (boreal-subalpine) deciduous trees (Betula spp.). Only two species occur in more temperate forests (Fagus forests), and no species have so far been found in thermophilous Quercus forests

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Acknowledgements

We thank the curators of PC, G, M, MICH, O, S, K(M) and H for the loans of important specimens including types. We also thank many colleagues for their contribution with materials, sequences, discussions and photos: László Albert, Mika Bendiksby, Egil Bendiksen, Katriina Bendiksen, Jan Borovička, Matthias Dondl, Ingeborg Bjorvand Engh, Sigisfredo Garnica, Gábor M. Kovács, Doris Laber, P. Larsen, Håkan Lindström†, László G. Nagy, Karin Pätzold, Claudio Rossi, Svengunnar Ryman, Gianni Turrini, Martin Unterseher and Jukka Vauras.

Funding

We are very grateful for the Journées européennes du Cortinaire (J.E.C.), especially its president Oswald Rohner for the financial help of the sequencing work. The visit of Bálint Dima in PC was financially supported by SYNTHESYS, the European Union-funded Integrated Activities grant (application FR-TAF-4253).

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Authors and Affiliations

  1. Norwegian Institute for Nature Research (NINA), Gaustadalléen 21, 0349, Oslo, Norway

    Tor Erik Brandrud

  2. Bienenbüttel, Germany

    Geert Schmidt-Stohn

  3. Jodrell Laboratory, Royal Botanic Gardens, Kew, Surrey, TW9 3AB, UK

    Kare Liimatainen & Tuula Niskanen

  4. Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, 1350, Copenhagen, Denmark

    Tobias Guldberg Frøslev

  5. Department of Botany, Swedish Museum of Natural History, Box 50007, SE-104 05, Stockholm, Sweden

    Karl Soop

  6. MushroomHobby.com, 345 Shipwatch Lane, Hercules, CA, 94547, USA

    Dimitar Bojantchev

  7. Finnish Museum of Natural History, University of Helsinki, P.O. Box 7, FI-00014, Helsinki, Finland

    Ilkka Kytövuori

  8. Natural History Museum of Denmark, Collections, University of Copenhagen, Universitetsparken 15, 2100, Copenhagen Ø, Denmark

    Thomas Stjernegaard Jeppesen

  9. Bolzano, Italy

    Francesco Bellù

  10. Lahr-Sulz, Germany

    Günter Saar

  11. Alfter, Germany

    Bernhard Oertel

  12. Senckenberg Biodiversität und Klima Forschungszentrum, Senckenberganlage 25, 60325, Frankfurt am Main, Germany

    Tahir Ali & Marco Thines

  13. Fachbereich Biowissenschaften, Institut für Ökologie, Evolution und Diversität, Goethe Universität, Max-von-Laue-Str. 13, 60438, Frankfurt am Main, Germany

    Tahir Ali & Marco Thines

  14. Department of Plant Anatomy, Institute of Biology, Eötvös Loránd University, Pázmány Péter sétány 1/c, Budapest, 1117, Hungary

    Bálint Dima

  15. Department of Biosciences (Plant Biology), Viikki Plant Science Centre, University of Helsinki, P.O. Box 65, FI-00014, Helsinki, Finland

    Bálint Dima

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  1. Tor Erik Brandrud
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Correspondence to Bálint Dima.

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Brandrud, T.E., Schmidt-Stohn, G., Liimatainen, K. et al. Cortinarius sect. Riederi: taxonomy and phylogeny of the new section with European and North American distribution. Mycol Progress 17, 1323–1354 (2018). https://doi.org/10.1007/s11557-018-1443-0

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  • DOI: https://doi.org/10.1007/s11557-018-1443-0

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