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Morphological characters and molecular data reveal two new species of Postia (Basidiomycota) from China

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Abstract

Two new species of Postia are described from China based on morphological characters and molecular data. Postia gloeopora sp. nov. is characterized by pileate and white flabelliform basidiomata, glue pores when dry, gelatinous hyphae at the dissepimental edge, abundant oily substances in context and trama, and ellipsoid basidiospores (4–4.5 × 2–2.5 μm). Postia ochraceoalba sp. nov. is characterized by imbricate basidiomata, ochraceous pileal surface with concentric zones, white pore surface, small angular pores (6–7 per mm) with dentate dissepiments, and allantoid basidiospores (4–4.5 × 1–1.5 μm). Phylogenetic analysis based on the internal transcribed spacer and nuclear large subunit ribosomal RNA gene regions confirmed the affinity of the new species in Postia and indicated their relationships with other species in the genus.

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Acknowledgments

The authors are grateful to Prof. Yu-Cheng Dai (BJFC, China) for collecting specimens and improving the text. Drs. Shuang-Hui He and Chang-Lin Zhao (BJFC, China) are acknowledged for companionship during field collections. The research was financed by the Fundamental Research Funds for the Central Universities (Project No. JC2013-1) and the National Natural Science Foundation of China (Project No. 31170018).

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  1. Institute of Microbiology and Beijing Key Laboratory for Forest Pest Control, Beijing Forestry University, Beijing, 100083, China

    Lu-Lu Shen, Hong-Xia Liu & Bao-Kai Cui

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  1. Lu-Lu Shen
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  2. Hong-Xia Liu
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Correspondence to Bao-Kai Cui.

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Shen, LL., Liu, HX. & Cui, BK. Morphological characters and molecular data reveal two new species of Postia (Basidiomycota) from China. Mycol Progress 14, 7 (2015). https://doi.org/10.1007/s11557-015-1032-4

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