A new species of Gastrosporium (Phallales) from coastal sand dune of Ibaraki Prefecture, central Japan

編集・出版統括
折原貴道(神奈川県立 生命の星・地球博物館)
E-mail: t_orihara(at)nh.kanagawa-museum.jp
編集委員
木下晃彦(森林総合研究所)
山本航平(国立科学博物館)
大和政秀(千葉大学教育学部)

Editor-in-Chief
Takamichi Orihara (Kanagawa Prefectural Museum of Natural History, Kanagawa, Japan)
E-mail: t_orihara(at)nh.kanagawa-museum.jp
Editors
Akihiko Kinoshita (Forestry and Forest Product Research Institute Kyushu Research Center, Kumamoto, Japan)
Kohei Yamamoto (National Museum of Nature and Science, Ibaraki, Japan)
Masahide Yamaoto (Faculty of Education, Chiba University, Chiba, Japan)
Truffology(日本地下生菌研究会会報)
出版者:日本地下生菌研究会
所在地(事務局:神奈川県立 生命の星・地球博物館
(神奈川県小田原市入生田499)

Publisher:Japanese Association for Truffle Science
Location:Kanagawa Prefectural Museum of Natural History, 499 Iryuda, Odawara, Kanagawa 250-0031, Japan

Authors

Taiga Kasuya, Shota Hanawa, Kentaro Hosaka

Abstract

A hypogeous basidiomycete fungus was collected in coastal sand dunes of Ibaraki Prefecture, central Japan. Based on morphological observations and phylogenetic analyses using nuclear ribosomal DNA sequences, the present fungus was recognized as a member of Gastrosporium, belonging to Gastrosporiaceae (Phallales). The genus Gastrosporium produces hypogeous to subhypogeous, small, globose, subglobose to ovoid basidiomata, and the genus includes only two known species, G. simplex and G. asiaticum. Previously, this genus has not been recorded from Japan. Japanese specimens are distinguishable from other known species of the genus by the exoperidium forming a cottony mycelial mass and they constitute a phylogenetically distinct monophyletic group. Therefore, Japanese specimens are described as a new species, G. gossypinum.

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Bibliography

Journal: Truffology, volume 3 (2020), issue 1, pages 9–16