Lin Yi-Chung, Huang Yu-Ming, Huang Yi-Lun, Liu Shi-Liang, He Shuang-Hui, Zhou Li-Wei, Chen Che-Chih
Department of Biology, National Museum of Natural Science, Taichung, 404605, Taiwan.
Department of Plant Pathology, National Chung Hsing University, Taichung, 402202, Taiwan.
Bot Stud. 2025 Jul 21;66(1):21. doi: 10.1186/s40529-025-00469-9.
Trechispora (Hydnodontaceae) comprises a diverse group of wood- and soil-inhabiting fungi, primarily functioning as saprotrophs, with some species forming symbiotic associations with plants and animals. Despite the recognition of over 100 species worldwide, its diversity in Taiwan remains understudied. This study presents the first comprehensive taxonomic revision of Trechispora in Taiwan, integrating morphological and phylogenetic analyses based on sequence data from the nuc rDNA internal transcribed spacer ITS1-5.8S-ITS2 (ITS) region and the nuc 28S rDNA (28S).
We describe four new species (Trechispora acerosa, T. floralis, T. formosana, and T. orchidophila) and report seven newly recorded species for Taiwan (T. crystallina, T. dentata, T. latehypha, T. mollusca, T. odontioidea, T. subsinensis, and T. wenshanensis). T. sinensis is synonymized under T. odontioidea. Morphological and phylogenetic analyses support their taxonomic placements, and an identification key to accepted Trechispora species in Taiwan is provided.
This study expands the known diversity of Trechispora in Taiwan to 17 species, highlighting their ecological significance and potential interactions with plants in Taiwan's forest ecosystems.
棱孔菌属（多孔菌科）包含多种栖息于木材和土壤中的真菌，主要作为腐生菌发挥作用，部分物种与植物和动物形成共生关系。尽管全球已确认100多种，但台湾地区该属真菌的多样性仍研究不足。本研究首次对台湾地区的棱孔菌属进行全面分类修订，整合了基于核糖体DNA内转录间隔区ITS1 - 5.8S - ITS2（ITS）区域和核糖体28S rDNA（28S）序列数据的形态学和系统发育分析。
我们描述了四个新物种（尖棱孔菌、花棱孔菌、台湾棱孔菌和兰生棱孔菌），并报告了七个台湾新记录物种（晶棱孔菌、齿棱孔菌、迟菌丝棱孔菌、软体棱孔菌、齿状棱孔菌、中华棱孔菌和文山棱孔菌）。中华棱孔菌被归为齿状棱孔菌的异名。形态学和系统发育分析支持它们的分类地位，并提供了台湾地区已接受的棱孔菌属物种的鉴定检索表。
本研究将台湾地区已知的棱孔菌属多样性扩展至17种，突出了它们在台湾森林生态系统中的生态意义以及与植物的潜在相互作用。
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