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The genus Catathelasma (Catathelasmataceae, Basidiomycota) in China

文献类型: 外文期刊

作者: Ge, Zai-Wei 1 ; Wu, Jian-Yun 1 ; Hao, Yan-Jia 3 ; Zhang, Qingying 4 ; An, Yi-Feng 1 ; Ryberg, Martin 5 ;

作者机构: 1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China

2.Univ Chinese Acad Sci, Beijing, Peoples R China

3.Anhui Agr Univ, Sch Hort, Hefei 230036, Peoples R China

4.Yunnan Acad Agr Sci, Ind Crops Res Inst, Kunming, Yunnan, Peoples R China

5.Uppsala Univ, Dept Organismal Biol, Systemat Biol, Norbyvagen 18D, S-75236 Uppsala, Sweden

关键词: Catathelasmataceae; Biannulariaceae; Tricholomataceae; taxonomy; ectomycorrhizal fungi; new taxa

期刊名称:MYCOKEYS ( 影响因子:2.984; 五年影响因子:3.004 )

ISSN: 1314-4057

年卷期: 2020 年 62 期

页码:

收录情况: SCI

摘要: Two new species, Catathelasma laorentou and C. subalpinum, are described on the basis of morphological characters, phylogenetic evidence, host preferences and geographic distributions. A taxonomic key to the known species in China is also provided to facilitate identification. Based on samples from temperate Asia, Europe and North America, the phylogeny of Catathelasma was reconstructed using the internal transcribed spacer (ITS) region, the large subunit (LSU) of the ribosomal DNA and the translation elongation factor 1-alpha (TEF1). The phylogenetic results showed that Catathelasma contains two monophyletic clades: the /subalpinum clade and the /imperiale clade. The Asian species C. laorentou and C. subalpinum are closely related to the North American C. sp. (labelled as C. ventricosum in GenBank) in the /subalpinum clade, whereas C. imperiale and C. singeri are closely related in the /imperiale clade.

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