Published June 8, 2026
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Four new species of Acarosporaceae (Acarosporales, Lecanoromycetes) with carbonized epihymenial accretions from China
Authors/Creators
- 1. College of Geography and Environment, Shandong Normal University, Jinan, China
- 2. College of Geography and Environment, Shandong Normal University, Jinan, China|College of Life Sciences, Shandong Normal University, Jinan, China
- 3. State Key Laboratory of Phytochemistry and Natural Medicines, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China|Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
- 4. Jiangsu Changhuan Environmental Technology Co., Ltd., Changzhou, China|School of Environment, Nanjing Normal University, Nanjing, China
- 5. Yantai Kunyu Mountain Forest Farm, Yantai, China
- 6. College of Life Sciences, Shandong Normal University, Jinan, China
Description
Based on a combination of morphological, chemical, and phylogenetic analyses, we report four new species from China: Acarospora carbonacea, A. rorida, Sarcogyne knudsenii, and S. xizangensis. These four species are characterized by endolithic thalli, apothecia with carbonized epihymenial accretions, an Acarospora-type ascus, and the absence of secondary metabolites. Acarospora carbonacea sometimes can develop a white epilithic ecorticate thallus, whereas such a thallus is not observed in the other three species. Comprehensive descriptions, detailed illustrations, and phylogenetic analyses of the four new species are provided. In addition, a compiled species checklist summarizing the diagnostic features of the eight reported species of Acarosporaceae with carbonized epihymenial accretions in China is presented.
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