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Lyophyllum pallidofumosum sp. nov. (Lyophyllaceae, Agaricales), from southwestern China

文献类型: 外文期刊

作者: Ma, Yuanhao 1 ; Liu, Ping 1 ; Zhao, Ziyue 1 ; Chen, Weiman 1 ; Zhao, Yongchang 1 ;

作者机构: 1.Yunnan Acad Agr Sci, Biotechnol & Germplasm Resources Inst, Kunming 650223, Yunnan, Peoples R China

2.Yunnan Prov Key Lab Agr Biotechnol, Kunming 650223, Yunnan, Peoples R China

3.Minist Agr, Key Lab Southwestern Crop Gene Resources & Germpla, Kunming 650223, Yunnan, Peoples R China

关键词: 1 new species; Basidiomycota; Edible mushroom; Phylogenetic analyses; Taxonomy

期刊名称:PHYTOTAXA ( 影响因子:1.1; 五年影响因子:1.1 )

ISSN: 1179-3155

年卷期: 2022 年 576 卷 2 期

页码:

收录情况: SCI

摘要: We describe a new species of Lyophyllum based on the morphology and molecular phylogenetic analyses. The species is widely distributed above ca. 2000 m in mixed forests dominated by Pinus yunnanensis, Pinus armandi, and Quercus fabrei in Yunnan Province. It can be distinguished by its greyish orange pileus surface, margin with waves when old; globose to subglobose spores (4.5-5.6 x 4.3-5.4 mu m), clavate basidia (25-34 x 7-9 mu m). Moreover, the growth rate of cultured mycelia of the species in the YPD medium is higher than that ofL. decastes complex species under the same conditions. Phylogenetic analyses based on the internal transcribed spacer (ITS) and large ribosomal subunit (LSU) regions of the nuclear ribosomal DNA (nrDNA) indicated that L. pallidofumosum is a distinct taxon closely related to L. fumosum and L. shimeji.

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