<i>Asterostroma</i> species (<i>Basidiomycota</i>) from mangrove forests in Japan

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  • Suhara Hiroto
    Fungus/Mushroom Resource and Research Center, Faculty of Agriculture, Tottori University
  • Maekawa Nitaro
    Fungus/Mushroom Resource and Research Center, Faculty of Agriculture, Tottori University
  • Ushijima Shuji
    The United Graduate School of Agricultural Science, Tottori University
  • Kinjo Kazuhiko
    Laboratory of Applied Bioresource Science, Department of Bioscience and Biotechnology, Faculty of Agriculture, University of Ryukyus
  • Hoshi Yoshikazu
    Department of Plant Science, School of Agriculture, Tokai University

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  • Asterostroma species (Basidiomycota) from mangrove forests in Japan

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Abstract

<p>A new homobasidiomycete, Asterostroma macrosporum, was found in mangrove forests of Iriomote Island, Japan. This species is morphologically characterized by having resupinate basidiomata, a monomitic (asterodimitic) hyphal system, simple septate generative hyphae, dextrinoid asterosetae, four sterigmate basidia and globose, tuberculate and amyloid basidiospores measuring 8.5–11×7.5–9μm. It is similar to A. muscicola, but basidiospores in the latter are smaller (7–8×5.5–7μm). Furthermore, phylogenetic analysis using internal transcribed spacer (ITS) region revealed that A. macrosporum is distinctly separated from A. muscicola. In Japan, A. muscicola is widely distributed in warm-temperate to subtropical regions, growing on a variety of broadleaved trees including mangroves, while A. macrosporum has been found only on mangroves.</p>

Journal

  • Mycoscience

    Mycoscience 51 (1), 75-80, 2010

    The Mycological Society of Japan

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