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Four new species in Leucoagaricus (Agaricaceae, Basidiomycota) from Asia

机译:来自亚洲的白冠菜(木耳科,担子菌科)中的四个新物种

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摘要

The genus Leucoagaricus has been well studied in Europe. However, species diversity of Leucoagaricus in Asia remains poorly known, especially in the mountains of southwestern China, a hot spot for biodiversity. Based on morphological characters and molecular data, four new species are described, La. asiaticus, La. subcrystallifer, La. subpurpureolilacinus and La. truncatus. Detailed morphological descriptions, drawings of microstructures for novel taxa and comparisons with closely allied taxa are provided. Phylogenetic analyses inferred from internal transcribed spacer (ITS) and region 6-7 of the gene for the second largest subunit of RNA polymerase II (rpb2) sequences show that the novel taxa are nested within a well-supported clade jointly formed by members of Leucoagaricus section Rubrotincti and subgenus Sericeomyces.
机译:Leucoagaricus属已在欧洲进行了深入研究。但是,在亚洲,无脊椎动物的物种多样性仍然知之甚少,特别是在中国西南部山区-生物多样性的热点地区。根据形态学特征和分子数据,描述了四个新物种:亚洲乳杆菌,亚结晶乳,亚紫purlaclacinus乳和截形乳。提供了详细的形态学描述,新型类群的微结构图以及与紧密相关的类群的比较。从内部转录间隔区(ITS)和RNA聚合酶II(rpb2)序列的第二大亚基的基因区域6-7进行的系统发育分析表明,新的类群嵌套在由白松球菌成员共同形成的良好支持的进化枝中断节节和丝孢菌属。

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