Two New Species of the Genus Diderma (Physarales, Didymiaceae) in China with an Addition to the Distribution

文献类型： 外文期刊

第一作者： Li, Xuefei

作者： Li, Xuefei;Tuo, Yonglan;Li, You;Hu, Jiajun;Sossah, Frederick Leo;Dai, Dan;Liu, Minghao;Zhang, Bo;Li, Xiao;Li, Yu;Li, Xuefei;Tuo, Yonglan;Liu, Minghao;Zhang, Bo;Li, Xiao;Li, Yu;Hu, Jiajun;Sossah, Frederick Leo;Dai, Dan;Guo, Yanfang

作者机构：

关键词： new species; taxonomy; diversity; morphology; phylogeny

期刊名称：JOURNAL OF FUNGI （ 影响因子：4.0； 五年影响因子：4.5 ）

ISSN：

年卷期： 2024 年 10 卷 8 期

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收录情况： SCI

摘要： Myxomycetes are an important component of terrestrial ecosystems, and in order to understand their diversity and phylogenetic relationships, taxonomic issues need to be addressed. In our 1985-2021 biodiversity investigations in Shaanxi Province, Jilin Province, the Inner Mongolia Autonomous Region, Hubei Province, and Henan Province, China, Diderma samples were observed on rotten leaves, rotten branches, and dead wood. The samples were studied, based on morphological features coupled with multigene phylogenetic analyses of nSSU, EF-1 alpha, and COI sequence data, which revealed two new species (Diderma shaanxiense sp. nov. and D. clavatocolumellum sp. nov.) and two known species (D. radiatum and D. globosum). In addition, D. radiatum and D. globosum were newly recorded in Henan Province and the Inner Mongolia Autonomous Region, respectively. The paper includes comprehensive descriptions, detailed micrographs, and the outcomes of phylogenetic analyses for both the newly discovered and known species. Additionally, it offers morpho-logical comparisons between the new species and similar ones.

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