Abstract
Two new species of Coltricia, C. austrosinensis and C. minima, are described from southern China on the basis of morphological characters and molecular evidence. Phylogenetic analysis based on the internal transcribed spacer (ITS) regions and nuclear large subunit (nLSU) ribosomal RNA gene regions indicated that the two new species were nested within the Coltricia clade in Hymenochaetales. Coltricia austrosinensis is characterized by centrally stipitate basidiocarps, lobed pileal margin, distinctly swollen stipe tip, cinnamon pore surface, large pores (1–3 per mm), and broadly ellipsoid basidiospores measuring 8–10 × 5.5–6.5 μm, with a distribution to date in subtropical China. Coltricia minima is characterized by tiny, centrally stipitate basidiocarps, entire pileal margin, uniform stipe, pileus bearing distinct concentric zones and pore surface dark greyish blue when fresh, small pores (3–4 per mm), narrow tramal hyphae (3.5–4 μm), and broadly ellipsoid to subglobose basidiospores measuring 6–7 × 4–5 μm, and occur in mixed tropical forests.
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This research was supported by the National Natural Science Foundation of China (Project No. 31530002).
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Section Editor: Zhu-Liang Yang
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Bian, LS., Wu, F. & Dai, YC. Two new species of Coltricia (Hymenochaetaceae, Basidiomycota) from southern China based on evidence from morphology and DNA sequence data. Mycol Progress 15, 27 (2016). https://doi.org/10.1007/s11557-016-1173-0
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DOI: https://doi.org/10.1007/s11557-016-1173-0