Seven New Species of Entoloma Subgenus Cubospora (Entolomataceae, Agaricales) from Subtropical Regions of China

文献类型： 外文期刊

第一作者： Chen, Lin-Gen

作者： Chen, Lin-Gen;Ding, Ling;Chen, Hong;Wang, Sheng-Nan;Yan, Jun-Qing;Zeng, Hui;Zeng, Zhi-Heng;Wang, Sheng-Nan

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关键词： basidiomycetes; phylogeny; seven new taxa; taxonomy

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

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年卷期： 2024 年 10 卷 8 期

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收录情况： SCI

摘要： Entoloma is a relatively large genus in Agaricales, with a rich diversity of species and a wide distribution. In this study, seven new species of Entoloma belonging to the subgenus Cubospora have been identified based on morphological and phylogenetic evidence from subtropical regions of China. Morphologically, E. excavatum is characterized by the yellow, depressed, estriate pileus and medium-sized basidiospores; E. lacticolor is recognized by the white and papillate pileus, adnexed lamellae, and presence of clamp connections; E. phlebophyllum is identified by the pink-to-maroon and estriate pileus, and lamellae with lateral veins; E. rufomarginatum differs from other cuboid-spored species by the lamellae edge which is red-brown-underlined; E. subcycneum is characterized by the white pileus and carneogriseum-type cheilocystidia; E. submurrayi is recognized by the pileus margin exceeding the lamellae, 2-layered pileipellis with hyphae of different widths, and the presence of clamp connections; E. tomentosum is identified by the tomentose pileus, heterogeneous lamella edge, and versiform cheilocystidia with brown-yellow contents. Their distinct taxonomic status is confirmed by the positions of the seven new species in both the ITS + LSU and 3-locus (LSU, tef-1 alpha, rpb2) phylogenetic trees. Detailed descriptions, color photos, and a key to related species are presented.

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