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Multiple evidence reveals two new species and new distributions of Calocybe species (Lyophyllaceae) from northeastern China

文献类型： 外文期刊

作者： Ma, Ao 1 ; Hu, Jia-Jun 2 ; Chen, Yue-Qu 4 ; Wang, Xin 2 ; Tuo, Yong-Lan 2 ; Yue, Lei 2 ; Li, Xue-Fei 2 ; Dai, Dan 5 ; Wei, Yun-Hui 5 ; Zhang, Bo 2 ; Li, Yu 2 ;

作者机构： 1.Northeast Normal Univ, Sch Life Sci, Changchun 130024, Peoples R China

2.Jilin Agr Univ, Engn Res Ctr Edible & Med Fungi, Minist Educ, Changchun 130118, Peoples R China

3.Jilin Agr Univ, Joint Lab Int Cooperat Modern Agr Technol, Minist Educ, Changchun 130118, Jilin, Peoples R China

4.Zhejiang Normal Univ, Coll Chem & Life Sci, Jinhua 321004, Zhejiang, Peoples R China

5.Jilin Prov Acad Forestry Sci, Forestry Resources Protect Inst, Changchun, Jilin, Peoples R China

6.Jiangxi Acad Agr Sci, Inst Agr Appl Microbiol, Nanchang 330200, Jiangxi, Peoples R China

关键词： Colorful basidiomata; economic values; habitat; new taxa

期刊名称：MYCOKEYS （ 影响因子：3.3； 五年影响因子：3.1 ）

ISSN： 1314-4057

年卷期： 2024 年 103 期

页码：

收录情况： SCI

摘要： The Calocybe species possess notable economic and medicinal value, demonstrating substantial potential for resource utilization. The taxonomic studies of Calocybe are lacking in quality and depth. Based on the specimens collected from northeast China, this study provides a detailed description of two newly discovered species, namely Calocybe betulicola and Calocybe cystidiosa, as well as two commonly found species, Calocybe decolorata and Calocybe ionides. Additionally, a previously unrecorded species, C. decolorata, has recently been discovered in Jilin Province, China. The two newly discovered species can be accurately distinguished from other species within the genus Calocybe based on their distinct morphological characteristics. The primary distinguishing features of C. betulicola include its grayish-purple pileus, grayish-brown to dark purple stipe, smaller basidiomata, absence of cellular pileipellis, and its habitat on leaf litter within birch forests. Calocybe cystidiosa is distinguished by its growth on the leaf litter of coniferous forests, a flesh-pink pileus, a fibrous stipe with a white tomentose covering at the base, non-cellular pileipellis, larger basidiospores, and the presence of cheilocystidia. The reconstruction of phylogenetic trees using combined ITS, nLSU, and tef1-alpha sequences, employing maximum likelihood and Bayesian inference analyses, showed that C. betulicola formed a cluster with C. decurrens, while C. cystidiosa clustered with C. vinacea. However, these two clusters formed separate branches themselves, which also supported the results obtained from our morphological studies. A key to the Calocybe species reported from northeast China is provided to facilitate future studies of the genus.

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