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Issue: Vol. 750 No. 3: 7 Apr. 2026
Type: Article
Published: 2026-04-07
DOI: 10.11646/phytotaxa.750.3.3
Page range: 171-185
Abstract views: 0
PDF downloaded: 0

Inosperma lijiangense sp. nov. (Inocybaceae, Agaricales) from Yunnan Province, China

Center for Yunnan Plateau Biological Resources Protection and Utilization & Yunnan International Joint Laboratory of Fungal Sustainable Utilization in South and Southeast Asia, College of Biology and Food Engineering, Qujing Normal University, Qujing 655099, China
Center for Yunnan Plateau Biological Resources Protection and Utilization & Yunnan International Joint Laboratory of Fungal Sustainable Utilization in South and Southeast Asia, College of Biology and Food Engineering, Qujing Normal University, Qujing 655099, China; Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand; Center of Excellence in Microbial Diversity and Sustainable Utilization, Chiang Mai University, Chiang Mai 50200, Thailand
Center for Yunnan Plateau Biological Resources Protection and Utilization & Yunnan International Joint Laboratory of Fungal Sustainable Utilization in South and Southeast Asia, College of Biology and Food Engineering, Qujing Normal University, Qujing 655099, China; Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand; Center of Excellence in Microbial Diversity and Sustainable Utilization, Chiang Mai University, Chiang Mai 50200, Thailand
Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand; Center of Excellence in Microbial Diversity and Sustainable Utilization, Chiang Mai University, Chiang Mai 50200, Thailand
Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand; Center of Excellence in Microbial Diversity and Sustainable Utilization, Chiang Mai University, Chiang Mai 50200, Thailand
Center of Excellence in Biotechnology Research (CEBR), DSR, P.O. Box 10219, King Saud University, Riyadh, Saudi Arabia
Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
Center for Yunnan Plateau Biological Resources Protection and Utilization & Yunnan International Joint Laboratory of Fungal Sustainable Utilization in South and Southeast Asia, College of Biology and Food Engineering, Qujing Normal University, Qujing 655099, China
Center for Yunnan Plateau Biological Resources Protection and Utilization & Yunnan International Joint Laboratory of Fungal Sustainable Utilization in South and Southeast Asia, College of Biology and Food Engineering, Qujing Normal University, Qujing 655099, China
Center for Yunnan Plateau Biological Resources Protection and Utilization & Yunnan International Joint Laboratory of Fungal Sustainable Utilization in South and Southeast Asia, College of Biology and Food Engineering, Qujing Normal University, Qujing 655099, China
Basidiomycota Morphology New taxon Phylogeny Taxonomy Fungi

Abstract

During a field survey conducted in the mountainous regions of Shigu Village, Lijiang, Yunnan Province, China, two fungal specimens resembling Inosperma were collected. Morphological comparisons coupled with phylogenetic analyses based on the internal transcribed spacer (ITS) and the nuclear ribosomal large subunit (LSU) regions revealed that the specimen represents a novel species of Inosperma, herein described as I. lijiangense. This species is distinguished by a light reddish white to reddish brown, dry, fibrillose pileus; adnate to slightly sinuate, milk white to grayish orange lamellae; and a solid, cylindrical stipe that is slightly swollen at the base and lacks both an annulus and odor. The basidiospores are ellipsoid to ovoid, smooth, and pale yellowish brown. Phylogenetic analysis indicates that the new species, I. lijiangense, represented by specimens GMB-W1237 (holotype) and GMB-W1238 (paratype), constitutes a distinct lineage within Inosperma. A comprehensive description, accompanying illustrations, and results of the phylogenetic analysis are provided.

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How to Cite

Liu, R.-M., Lu, W.-H., Zhang, G.-Q., Kumla, J., Suwannarach, N., Elgorban, A.M., Alfagham, A.T., Dai, D.-Q., Karunarathna, S.C. & Tibpromma, S. (2026) Inosperma lijiangense sp. nov. (Inocybaceae, Agaricales) from Yunnan Province, China. Phytotaxa 750 (3): 171–185. https://doi.org/10.11646/phytotaxa.750.3.3