Polyphasic taxonomy clarifies the relationships between Butyriboletus and Exsudoporus , and new taxa and reports of Boletaceae from China

文献类型： 外文期刊

第一作者： Wang, Y.

作者： Wang, Y.;Yang, Xy;Liu, Yj;Rao, G.;Gui, Xy;Wang, L. Y.;Zhang, B.;Li, Y.;Wang, Y.;Li, Y.;Ma, Yh;Wu, G.;Wu, G.;Dai, D.;Chen, X.

作者机构：

关键词： 16 new taxa; basidiomycota; biogeography; evolution; long-distance dispersal; phylogeny

期刊名称：MYCOSPHERE （ 影响因子：10.0； 五年影响因子：9.0 ）

ISSN： 2077-7000

年卷期： 2024 年 15 卷 1 期

页码：

收录情况： SCI

摘要： The relationships of inter-genus in Boletaceae interested peers for a long time. China benefits from its wide territory and various environments containing plentiful species of Boletaceae. In this study, combining morphology, phylogeny, and biogeography, we discussed in detail the phylogenetic status of Exsudoporus and Butyriboletus and redivided Butyriboletus into three sections. Exsudoporus is now treated as a section under Butyriboletus . The others are sect. Butyriboletus and sect. Rhodocarnei . Biogeographical analyses show that Butyriboletus originated from East Asia at 23 Mya, with the sect. Butyriboletus and the sect. Exsudoporus originated at a close time from North and Central America, and East Asia, respectively. Sect. Rhodocarnei are from East Asia at 23 Mya. The "long- distance" dispersal is considered to be the highest likelihood of Butyriboletus dispersal and allopatric speciation is the major reason for interpreting extant distributions of species. The Land bridge is not the only way for Butyriboletus to dispersal to the other continents, especially between Asia and North and Central America. Atmosphere transport also as an important role in shaping the current distribution structure of Butyriboletus . According to our research, Nigroboletus does not have adequate evidence to warrant a status of genus whether from morphology or phylogeny. Nigroboletus was now treated as a synonym of Xerocomellus . Meanwhile, we reported 16 new taxa here, one new genus Niveoboletus gen. nov., and seven new species Niveoboletus brunneus sp. nov., Rugiboletus caeruloruber sp. nov., Cyanoboletus viscidiceps sp. nov., Xerocomellus velutinoceps sp. nov., Xerocomellus inflatus sp. nov., Xerocomellus fuscoscabrosus sp. nov., and Hortiboletus sinorubellus sp. nov., one new section sect. Rhodocarnei sect. nov., seven new combinations sect. Exsudoporus comb. nov., Butyriboletus permagnificus comb. nov., Xerocomellus roseonigrescens comb. nov., Neoboletus luridiceps comb. nov., Neoboletus austrinus comb. nov., Cyanoboletus gabretae comb. nov., and Neoboletus subvelutipes comb. nov. Additionally, we re-described eight species, five were new records for their provinces. For all species, detailed descriptions, photographs, and line-drawing were provided.

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