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Taxonomic and phylogenetic study of genus Sarcogyne (Acarosporales, Acarosporaceae) reveals two new species from Pakistan

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Abstract

Two new species, Sarcogyne crispula and S. pakistanensis are described and illustrated from Pakistan. Sarcogyne crispula is similar to S. praetermissa. Both have lecideine apothecia with smooth melanized margins which curl inward above the apothecial disc and grow on calcareous rock, but they differ especially in S. crispula having larger apothecia (2–3 mm wide vs. usually less than 1 mm) with thinner margins (50–70 vs. 70–120 μm) as well as differing in nrITS and mtSSU regions. Sarcogyne pakistanensis is similar to S. similis. Both grow on siliceous rocks and produce psoromic acid. Sarcogyne pakistanensis differs from S. similis especially in having a lower hymenium (55–85 vs. 100–125 µm), a thinner margin [ca. 100 vs. (100–)150–200 μm], a hypothecium with dark black area, as well as differing in their nrITS regions.

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Data availability

DNA sequence data that support the findings of this study have been deposited in the GenBank repository. Other data generated or analyzed during this study are included in this article.

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Acknowledgements

The work of Kerry Knudsen was financially supported by the grant of Ministry of Education, Youth and Sports of the Czech Republic, the program of international cooperation between the Czech Republic and USA for research, development, and innovations INTEREXCELLENCE, INTERACTION, no. LTAUS23238.

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Authors and Affiliations

  1. Fungal Biology and Systematics Research Laboratory, Institute of Botany, University of the Punjab, Quaid-E-Azam Campus, Lahore, 54590, Pakistan

    Iram Fayyaz, Rizwana Zulfiqar, Najam-ul-Sehar Afshan, Fatima Iftikhar, Abdul Rehman Niazi & Abdul Nasir Khalid

  2. Faculty of Environmental Sciences, Department of Ecology, Czech University of Life Sciences Prague, Kamýcká 129, Prague-Suchdol, 165 00, Czech Republic

    Kerry Knudsen

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  1. Iram Fayyaz
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  2. Kerry Knudsen
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  6. Abdul Rehman Niazi
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  7. Abdul Nasir Khalid
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Contributions

All authos contributed to this study conception and design. Material preparation, data collection and analysis were performed by [Iram Fayyaz], [Najam-ul-Sehar Afshan], [Rizwana Zulfiqar] and [Kerry Knudsen]. The first draft of the manuscript was written by [Iram Fayyaz, Rizwana Zulfiqar and Fatima Iftikhar] and all authors commented on previous versions of the manuscript. Dr. Abdul Rehman Khan Niazi also helps in the collection of the specimens that are used in this study. Dr. Kerry Knudsen also prepared the comprehensive key of this genus. Prof. Dr. Abdul Nasir Khalid supervised and validated the manuscript. All authors read and approved the final manuscript.

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Correspondence to Iram Fayyaz.

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Fayyaz, I., Knudsen, K., Zulfiqar, R. et al. Taxonomic and phylogenetic study of genus Sarcogyne (Acarosporales, Acarosporaceae) reveals two new species from Pakistan. Mycol Progress 22, 45 (2023). https://doi.org/10.1007/s11557-023-01893-6

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