<i>Amanita satotamagotake</i> sp. nov., a cryptic species formerly included in <i>Amanita caesareoides</i>

DOI Web Site 参考文献46件
  • Kodaira Miyuki
    Department of Agriculture and Life Science, Graduate School of Science and Technology, Shinshu University
  • Aoki Wataru
    Department of Science and Technology, Graduate School of Medicine, Science and Technology, Shinshu University
  • Endo Naoki
    Faculty of Agriculture, Tottori University
  • Sakuma Daisuke
    Osaka Museum of Natural History
  • Hadano Eiji
  • Hadano Atsuko
  • Hashimoto Yasushi
    Department of Agro-environmental Science, Obihiro University of Agriculture and Veterinary Medicine
  • Gisusi Seiki
    Forest Products Research Institute, Hokkaido Research Organization
  • Yamamoto Kohei
    Tochigi Prefectural Museum
  • Sugawara Ryo
    Faculty of Agriculture, Shinshu University
  • Fukuda Masaki
    Department of Agriculture and Life Science, Graduate School of Science and Technology, Shinshu University Department of Science and Technology, Graduate School of Medicine, Science and Technology, Shinshu University Faculty of Agriculture, Shinshu University
  • Yamada Akiyoshi
    Department of Agriculture and Life Science, Graduate School of Science and Technology, Shinshu University Department of Science and Technology, Graduate School of Medicine, Science and Technology, Shinshu University Faculty of Agriculture, Shinshu University Institute for Mountain Science, Shinshu University

抄録

<p>We evaluated the inclusion of a cryptic species in a Japanese Amanita caesareoides population. We sampled A. caesareoides specimens under various vegetation and climate conditions, and then conducted phylogenetic analyses on sequences from seven loci. The A. caesareoides specimens showed two distinct groups, except when the ITS phylogeny was considered. These two phylogroups showed different distributions: subalpine-cool temperate and temperate-subtropical areas. Although these two phylogroups overlapped in terms of basidiospore size, the latter tended to exhibit smaller basidiospores. In addition, only the former showed mycelial growth on nutrient agar. Based on these phylo-morpho-ecophysiological characteristics, we separated the specimens labeled with the name A. caesareoides into two species. As the lectotype of A. caesareoides showed similarity to the former by DNA analysis, the latter was described as a new species, namely A. satotamagotake. Based on the geographic patterns of the two species, A. satotamagotake may have invaded the natural habit of A. caesareoides because of global warming.</p>

収録刊行物

  • Mycoscience

    Mycoscience 65 (2), 49-67, 2024-03-31

    一般社団法人 日本菌学会

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