Two new species of Micropsalliota (Agaricales, Agaricaceae) from subtropical regions of China
文献类型： 外文期刊
作者： Yan, Jun-Qing 1 ; Zeng, Zhi-Heng 1 ; Hu, Ya-Ping 3 ; Nie, Cheng-Feng 1 ; Ke, Bin-Rong 1 ; Wang, Sheng-Nan 2 ; Zeng, Hui 1 ;
作者机构： 1.Fujian Acad Agr Sci, Inst Edible Mushroom, Fuzhou 350011, Peoples R China
2.Jiangxi Agr Univ, Jiangxi Prov Key Lab Excavat & Utilizat Agr Microo, Nanchang 330045, Peoples R China
3.Minist Ecol & Environm Mt, Nanjing Inst Environm Sci, Nanjing 210042, Peoples R China
关键词： Basidiomycetes; phylogeny; taxonomy; two new taxa
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 113 期
页码：
收录情况： SCI
摘要： Micropsalliota is a relatively small genus, with 97 names recorded in previous research. In this study, two new species of Micropsalliota, M. bispora and M. vulgaris, have been identified based on morphological and phylogenetic evidence from subtropical regions of China. Morphologically, M. bispora is characterized by very small basidiomata, cymbiform basidiospores up to 9.0 mu m long, white to cream pileus with fawn to dull red center, and tibiiform cheilocystidia; M. vulgaris is recognized by small basidiomata, medium-sized spores, white to cream pileus, covered with reddish brown to dark brown fibrils, various cheilocystidia that are up to 60 mu m long, and hyphae of fibrils exhibiting pale brown vacuolar pigmentation. Their distinct taxonomic status is confirmed by the positions of the two new species in 4-locus (ITS, LSU, rpb2, tef-1 alpha) phylogenetic trees. Detailed descriptions and morphological photographs of two new species are presented. To aid in diagnosis, a key to 35 species of Micropsalliota in China is provided.
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