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Four new species in the Tremella fibulifera complex (Tremellales, Basidiomycota)
MycoKeys ( IF 3.3 ) Pub Date : 2021-08-04 , DOI: 10.3897/mycokeys.82.63241 Long-Fei Fan 1, 2 , Renato Lúcio Mendes Alvarenga 3 , Tatiana Baptista Gibertoni 3 , Fang Wu 1 , Yu-Cheng Dai 1
MycoKeys ( IF 3.3 ) Pub Date : 2021-08-04 , DOI: 10.3897/mycokeys.82.63241 Long-Fei Fan 1, 2 , Renato Lúcio Mendes Alvarenga 3 , Tatiana Baptista Gibertoni 3 , Fang Wu 1 , Yu-Cheng Dai 1
Affiliation
Samples of species close to Tremella fibulifera from China and Brazil are studied, and T. fibulifera is confirmed as a species complex including nine species. Five known species (T. cheejenii, T. fibulifera s.s., T. “neofibulifera”, T. lloydiae-candidae and T. olens) and four new species (T. australe, T. guangxiensis, T. latispora and T. subfibulifera) in the complex are recognized based on morphological characteristics, molecular evidence, and geographic distribution. Sequences of eight species of the complex were included in the phylogenetic analyses because T. olens lacks molecular data. The phylogenetic analyses were performed by a combined sequence dataset of the internal transcribed spacer (ITS) and the partial nuclear large subunit rDNA (nLSU), and a combined sequence dataset of the ITS, partial nLSU, the small subunit mitochondrial rRNA gene (mtSSU), the translation elongation factor 1-α (TEF1), the largest and second largest subunits of RNA polymerase II (RPB1 and RPB2). The eight species formed eight independent lineages with robust support in phylogenies based on both datasets. Illustrated description of the six species including Tremella fibulifera s.s., T. “neofibulifera” and four new species, and discussions with their related species, are provided. A table of the comparison of the important characteristics of nine species in the T. fibulifera complex and a key to the whitish species in Tremella s.s. are provided.
更新日期：2021-08-04
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