Chinese black truffles: Tuber yigongense sp nov., taxonomic reassessment of T-indicum s.l., and re-examination of the T-sinense isotype

文献类型: 外文期刊

第一作者: Fan, Li

作者: Fan, Li;Li, Ting;Zhang, Jun-Li;Sun, Hui-Juan;Xiong, Wei-Ping;Li, Yu

作者机构:

关键词: Ascomycetes; biogeography; DNA sequence; taxonomy; Tuberaceae

期刊名称:MYCOTAXON ( 影响因子:0.548; 五年影响因子:0.589 )

ISSN: 0093-4666

年卷期: 2018 年 133 卷 1 期

页码:

收录情况: SCI

摘要: A new species, Tuber yigongense, is described. ITS sequences derived from Chinese black truffles grouped into three clusters, each recognised as a different species: T. sinense, T. formosanum, and T. yigongense. Tuber sinense and T. formosanum cannot be separated morphologically, but T. yigongense differs from them by its yellow brown ascospores. Based on ITS sequence analysis, numerous Chinese specimens previously identified as T. indicum and T. himalayense are redetermined as either T. sinense or T. formosanum; although the phylogenetic results suggest that the two Indian species do not occur in China, the true taxonomic affinities cannot be fully resolved because of the lack of Indian sequences of T. indicum and T. himalayense.

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