Four new species of Marasmius subgenus Globulares (Marasmiaceae, Agaricales) from subtropical regions of China
文献类型： 外文期刊
第一作者： Chen, Hong
作者： Chen, Hong;Xu, Yu-Qin;Wang, Sheng-Nan;Yan, Jun-Qing;Zeng, Hui;Hu, Ya-Ping
作者机构：
关键词： Basidiomycetes; new taxa; phylogeny; taxonomy
期刊名称：MYCOKEYS （ 影响因子：3.6； 五年影响因子：3.3 ）
ISSN： 1314-4057
年卷期： 2025 年 120 期
页码：
收录情况： SCI
摘要： Marasmius is a large genus in Agaricales, exhibiting rich species diversity and a wide distribution. In this study, four new species of Marasmius belonging to the subgenus Globulares were identified in subtropical regions of China. Morphologically, M. blandus is characterized by a light orange pileus, with a non-striate surface, medium-sized basidiospores, and subfusiform to narrowly utriform pleurocystidia; M. xingshanensis is identified by a brown pileus, variably shaped pleurocystidia, and absence of cheilocystidia; M. vulgaris is identified by large basidiospores, which are up to 16.0 mu m long, narrowly fusiform to lageniform pleurocystidia, often with capitate, papillate, or constricted moniliform structures at apices; M. subpurpureostriatus is recognized by a grayish-green pileus with deeply sulcate violet striae, lamellae distant, and clavate to fusoid-clavate basidiospores, which are up to 22.0 mu m long. The distinct taxonomic status of these four new species was confirmed by their positions in the 4-locus (ITS, LSU, tef-1 alpha, rpb2) phylogenetic trees. Detailed descriptions and morphological photographs of four new species are provided in this paper.
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