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Issue: Vol. 650 No. 1: 23 May 2024
Type: Article
Published: 2024-05-23
DOI: 10.11646/phytotaxa.650.1.2
Page range: 8-22
Abstract views: 79
PDF downloaded: 3

Pseudoplectania mystica (Ascomycota, Pezizales), a new cup fungus with an endophytic habit of a broad range of host plants

College of Plant Protection, South China Agricultural University, Guangzhou 510642, Guangdong, China
Xidian Junior High School, Ningbo 315613, Zhejiang, China
Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China
State Key Laboratory of Applied Microbiology (Southern China), Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, Guangdong, China
Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang 421001, Hunan, China
State Key Laboratory of Applied Microbiology (Southern China), Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, Guangdong, China
College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, Guangdong, China
1 new taxon endophytic fungus phylogeny Sarcosomataceae Fungi

Abstract

A cup fungus producing ascomata on senescing to dead rhizomes of bamboo in East China is described as Pseudoplectania mystica sp. nov. (Ascomycota, Pezizales) based on morphological, ecological and phylogenetic evidence. Some sequences of unidentified endophytic fungi uploaded to the GenBank database by other researchers were also identified as P. mystica in our phylogeny. By checking the original literature of these sequences, P. mystica was further found to act as an endophyte in a broad range of host plants including Aegiceras, Cinnamomum, Dendrobium and Lindera, probably lurking in the tissues of the host plants as invisible mycelium in most cases and only producing visible ascomata following senescence of the host tissues. Such ecology and a combination of all its morphological characteristics make P. mystica recognizable from other known species of Pseudoplectania. This study contributes to the understanding of the species diversity and lifecycle of Pseudoplectania.

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