Pluteus brunneoalbus, a new species, and P. sepiicolor, a new record for China

文献类型： 外文期刊

第一作者： Hosen, Md Iqbal

作者： Hosen, Md Iqbal;Li, Tai-Hui;Xu, Jiang;Gates, Genevieve

作者机构：

关键词： East Asia; Geographical extension; Phylogeny; Pluteaceae; Taxonomy

期刊名称：PLANT SYSTEMATICS AND EVOLUTION （ 影响因子：1.631； 五年影响因子：1.704 ）

ISSN： 0378-2697

年卷期： 2021 年 307 卷 6 期

页码：

收录情况： SCI

摘要： Two species of Pluteus, namely P. brunneoalbus and P. sepiicolor, from China are reported and illustrated. Pluteus brunneoalbus is described as a new species in P. sect. Celluloderma. This species is characterized by a shallowly depressed pileus, a white stipe, ellipsoid to broadly ellipsoid basidiospores 6-7 x 5-6.5 mu m, the presence of few scattered cheilocystidia, the presence of mostly clavate pleurocystidia, and a cutis type pileipellis. In the phylogenetic analysis based on the internal transcribed spacer region (ITS), the new species appears as sister to P. hirtellus and P. squarrosus. In addition to the new species, another species, P. sepiicolor, is reported here as a new record for China. Molecular data support its conspecificity with a collection from Russia. Detailed morphological descriptions including illustrations of the two species from China, and their comparisons with the related taxa of Pluteus are also provided with phylogenetic placement.

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