Abstract
Three new species of Coltricia, C. fimbriata, C. lenis, and C. tenuihypha, are described from China based on both morphological and molecular data. Phylogenetic analyses based on rDNA ITS1-5.8S-ITS2 (ITS), 28S rDNA (LSU), 18S rDNA (SSU), mitochondrial 12S rDNA (mtSSU), RNA polymerase II subunits 1 (RPB1), and EF-1α (TEF1) confirmed the generic placement of the three new species. Coltricia fimbriata is characterized by centrally stipitate basidiocarps, thin and curled pileal margin with tufts of hairs, 1–3 pores per mm, and ellipsoid to broadly ellipsoid basidiospores (6.3–8.0 × 4.3–5.3 μm). Coltricia lenis is characterized by centrally stipitate basidiocarps, distinctly concentrically zonate and sulcate pileal surface, soft to spongy stipes when dry, 0.5–2 pores per mm, oblong-ellipsoid to ellipsoid basidiospores (7.0–9.3 × 4.5–5.8 μm). Coltricia tenuihypha is characterized by eccentrically to centrally basidiocarps, fan-shaped to circular pilei, 1–3 pores per mm, narrow and skeletal-alike hyphae present in the stipe, ellipsoid to broadly ellipsoid basidiospores (7.3–9.3 × 5.5–6.8 μm). An identification key to the species of Coltricia recorded in China is also provided.
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Data availability
The sequence data generated in this study are deposited in NCBI GenBank.
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The research was supported by the National Natural Science Foundation of China (Project No. 31800018).
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The study conception and design: Lu-Sen Bian and Jian Yu. Specimens collecting: Lu-Sen Bian, Meng Zhou, and Jian Yu. Morphological studies: Lu-Sen Bian. Phylogenetic analyses: Meng Zhou. Discussion: Lu-Sen Bian and Jian Yu. The first draft: Lu-Sen Bian. Review and editing: Jian Yu. All authors have read and approved the manuscript.
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Section Editor: Yu-Cheng Dai
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Bian, LS., Zhou, M. & Yu, J. Three new Coltricia (Hymenochaetaceae, Basidiomycota) species from China based on morphological characters and molecular evidence. Mycol Progress 21, 45 (2022). https://doi.org/10.1007/s11557-022-01792-2
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DOI: https://doi.org/10.1007/s11557-022-01792-2