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Issue: Vol. 773 No. 3: 9 Sept. 2026
Type: Article
Published: 2026-09-09
DOI: 10.11646/phytotaxa.773.3.2
Page range: 228-248
Abstract views: 41
PDF downloaded: 1

New species of Albotricha (Helotiales) and Trichomerium (Chaetothyriales) from grassland vegetation in Yunnan Province, China

Department of Economic Plants and Biotechnology; Yunnan Key Laboratory for Wild Plant Resources; Kunming Institute of Botany; Chinese Academy of Sciences; Kunming 650201; P.R. China; School of Science; Mae Fah Luang University; Chiang Rai 57100; Thailand; Center of Excellence in Fungal Research; Mae Fah Luang University; Chiang Rai 57100; Thailand; Centre for Mountain Futures (CMF); Kunming Institute of Botany; Chinese Academy of Sciences; Kunming 650201; P.R. China
Department of Economic Plants and Biotechnology; Yunnan Key Laboratory for Wild Plant Resources; Kunming Institute of Botany; Chinese Academy of Sciences; Kunming 650201; P.R. China; Centre for Mountain Futures (CMF); Kunming Institute of Botany; Chinese Academy of Sciences; Kunming 650201; P.R. China; Department of Soil Science; College of Food and Agriculture Sciences; King Saud University; Riyadh 11362; Saudi Arabia
School of Pharmacy; Guiyang Healthcare Vocational University; Guiyang 550081; P.R. China
Department of Economic Plants and Biotechnology; Yunnan Key Laboratory for Wild Plant Resources; Kunming Institute of Botany; Chinese Academy of Sciences; Kunming 650201; P.R. China; Centre for Mountain Futures (CMF); Kunming Institute of Botany; Chinese Academy of Sciences; Kunming 650201; P.R. China
Department of Economic Plants and Biotechnology; Yunnan Key Laboratory for Wild Plant Resources; Kunming Institute of Botany; Chinese Academy of Sciences; Kunming 650201; P.R. China; Centre for Mountain Futures (CMF); Kunming Institute of Botany; Chinese Academy of Sciences; Kunming 650201; P.R. China
Department of Economic Plants and Biotechnology; Yunnan Key Laboratory for Wild Plant Resources; Kunming Institute of Botany; Chinese Academy of Sciences; Kunming 650201; P.R. China; Centre for Mountain Futures (CMF); Kunming Institute of Botany; Chinese Academy of Sciences; Kunming 650201; P.R. China
Department of Economic Plants and Biotechnology; Yunnan Key Laboratory for Wild Plant Resources; Kunming Institute of Botany; Chinese Academy of Sciences; Kunming 650201; P.R. China; Centre for Mountain Futures (CMF); Kunming Institute of Botany; Chinese Academy of Sciences; Kunming 650201; P.R. China
School of Science; Mae Fah Luang University; Chiang Rai 57100; Thailand; Center of Excellence in Fungal Research; Mae Fah Luang University; Chiang Rai 57100; Thailand
Department of Economic Plants and Biotechnology; Yunnan Key Laboratory for Wild Plant Resources; Kunming Institute of Botany; Chinese Academy of Sciences; Kunming 650201; P.R. China; Center of Excellence in Fungal Research; Mae Fah Luang University; Chiang Rai 57100; Thailand; Department of Botany and Microbiology; College of Science; King Saud University; P.O. Box 22452; Riyadh 11495; Saudi Arabia
Department of Economic Plants and Biotechnology; Yunnan Key Laboratory for Wild Plant Resources; Kunming Institute of Botany; Chinese Academy of Sciences; Kunming 650201; P.R. China; Centre for Mountain Futures (CMF); Kunming Institute of Botany; Chinese Academy of Sciences; Kunming 650201; P.R. China
Fungi 2 new taxa molecular phylogeny morphology taxonomy

Abstract

During a survey of microfungi associated with grassland vegetation in Yunnan Province, China, we discovered two new species, Albotricha zhaotongensis (Hyaloscyphaceae, Helotiales) and Trichomerium yunnanense (Trichomeriaceae, Chaetothyriales) based on morphological and multigene phylogenetic analyses. Albotricha zhaotongensis is characterized by scattered, superficial apothecia, with cylindrical hairs covered by brown granules, and fusoid, one-septate ascospores. Trichomerium yunnanense is distinguished by its cylindrical, branched, smooth, dark brown hyphae constricted at the septa, with ellipsoidal, one-septate terminal cells. The new taxa are supported by combined analyses of LSU, ITS, and rpb2 sequence data for A. zhaotongensis, and SSU, LSU, ITS, mtSSU, tub2, and rpb1 data for T. yunnanense. A comprehensive summary of Trichomerium species is provided, covering their hosts, geographic origins, and global morphological variation.

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How to Cite

Gao, Y., Wanasinghe, D.N., Ren, G., Jiang, H., Li, J., Cai, L., Sun, Z., Jayawardena, R.S., Hyde, K.D. & Gui, H. (2026) New species of Albotricha (Helotiales) and Trichomerium (Chaetothyriales) from grassland vegetation in Yunnan Province, China. Phytotaxa 773 (3): 228–248. https://doi.org/10.11646/phytotaxa.773.3.2