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形态特征和系统发育分析揭示了来自中国的两个新物种以及吉林省伞菌目的一个新记录。

Morphological characteristics and phylogenetic analyses revealed two new species from China and a new record from Jilin Province of Agaricales.

作者信息

Zhang Di, Peng Jun-Jie, Wang Jia-Jun, Priyashnatha A K Hasith, Liao Jin-Peng, Luo Hua-Xing, Huang Shi-Chen, Xu Ji-Ze

机构信息

Agricultural College, Yanbian University, Yanbian 136200, China JiLin Agricultural Science and Technology University Jilin China.

Agricultural College, JiLin Agricultural Science and Technology University, Jilin 132000, China Yanbian University Yanbian China.

出版信息

MycoKeys. 2024 Sep 26;109:73-90. doi: 10.3897/mycokeys.109.128960. eCollection 2024.

Abstract

In this study, we have found two new species- and . Phylogenetic analyses, based on the internal transcribed spacer regions (ITS) and the nuclear ribosomal RNA gene (nrLSU), suggest that the two new species are distinct and monophyletic. is distinguished from other species of the genus by the pileus covered with greyish-orange squamules in the centre, stipe light brown and surface covered with white triangular squamules. differs from other species in its pileus bluish-grey when young becoming lighter towards margins, later greyish-turquoise lightens towards the edges and surface radially striate when young, lamellae adnate to subdecurrent, stipe with white squamules at the base, acanthocytes absent. The new record species from Jilin Province, was also confirmed, based on morphological and molecular study. Here, we have given full descriptions of each species, colour images, illustrations and two phylogenetic trees that show the placement and relationship of the two new species and the new record are provided.

摘要

在本研究中,我们发现了两个新物种—— 和 。基于内转录间隔区(ITS)和核糖体RNA基因(nrLSU)的系统发育分析表明,这两个新物种是独特的且为单系类群。 与该属的其他物种不同,其菌盖中央覆盖着灰橙色鳞片,菌柄浅棕色且表面覆盖着白色三角形鳞片。 与其他物种的区别在于,其幼嫩时菌盖呈蓝灰色,向边缘颜色变浅,后期呈灰绿色,边缘变浅,幼嫩时表面有放射状条纹,菌褶贴生至近延生,菌柄基部有白色鳞片,无刺细胞。基于形态学和分子研究,来自吉林省的新记录物种 也得到了确认。在此,我们给出了每个物种的完整描述、彩色图像、插图,并提供了两棵系统发育树,展示了这两个新物种和新记录物种的位置及关系。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/84ea/11450463/bcbee2214df6/mycokeys-109-073-g001.jpg

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