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Issue: Vol. 720 No. 1: 26 Sept. 2025
Type: Article
Published: 2025-09-26
DOI: 10.11646/phytotaxa.720.1.5
Page range: 57-66
Abstract views: 524
PDF downloaded: 16

A morphological and molecular analysis reveals a new species in the genus Diorygma (Graphidaceae, Ostropales) from Zhejiang Province, China

College of Agriculture and Biology, Liaocheng University, Liaocheng, 252059, China
Center of ecological forestry development, Jingning She Nationality Autonomous County, Lishui, 323000, China
College of Agriculture and Biology, Liaocheng University, Liaocheng, 252059, China
College of Agriculture and Biology, Liaocheng University, Liaocheng, 252059, China
Graphidoideae Jingning County lichenized fungi new taxon taxonomy Fungi

Abstract

A new species of the lichenized fungi genus Diorygma is described from China: Diorygma jingningense Shu H. Jiang & Z.F. Jia, collected from Zhejiang Province. It is characterized by a saxicolous and pseudocorticate thallus, erumpent lirellae with complete thalline margin, entire labia, uncarbonized excipulum, hyaline hymenium, small, submuriform, 3 × 0–1-septate ascospores and the presence of norstictic and connorstictic acids. The placement of this new species was confirmed by a molecular phylogenetic approach based on combined mtSSU and nuLSU sequences, and is compared in detail with other similar species in the genus.

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How to Cite

Jiang, S.-H., Xu, Y.-K., Zhao, X. & Jia, Z.-F. (2025) A morphological and molecular analysis reveals a new species in the genus Diorygma (Graphidaceae, Ostropales) from Zhejiang Province, China. Phytotaxa 720 (1): 57–66. https://doi.org/10.11646/phytotaxa.720.1.5