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Chlorangium ahmadii sp. nov. and Circinaria darelensis sp. nov. two new species of lichenized Ascomycetes from Pakistan

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Abstract

Chlorangium ahmadii sp. nov. and Circinaria darelensis sp. nov. are described as new species from Pakistan. A comparative morpho-anatomical, chemical study and ITS-based molecular analyses confirmed the positions of these species within the genera Chlorangium and Circinaria. Chlorangium ahmadii sp. nov. differs from its closely related species, C. alpicola in having light brown to whitish-brown thallus (vs. brownish-grey to greyish-green), flat to concave apothecial disc (vs. concave to convex when young, becoming more flat when old), smaller exciple 20–35 μm (vs. 65–85 μm) and larger ascospores 27–40 × 22–25 μm (vs. 19–24 × 19–23 μm). Circinaria darelensis sp. nov. is distinguished from its closely related species, C. maculata in having crustose-areolate light brown to greyish-brown thallus (vs. areolate, brown, olive brown to dark olive), absence of lobes (vs. presence), taller hymenium 120–190 μm (vs. 100–125 µm) and smaller ascospores 14–17 × 6–10 μm (vs. 22.5–27.5 × 15–20 µm).

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Data availability

The samples used in this study have been deposited at the LAH Herbarium at the University of the Punjab in Lahore. (https://vymaps.com/PK/LAH-Herbarium-Institute-of-Botany-University-of-the-Punjab-Pakistan-334248940395482/). This study’s sequences have been placed in the NCBI Genbank data repository (https://www.ncbi.nlm.nih.gov/genbank/). Mycobank (https://www.mycobank.org/) has received new taxa. (Please check Table 1 for a list of accession numbers and voucher information).

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Acknowledgements

We would like to express our gratitude to Mr. Ali Abbas, Mr. Sheraz Ahmad and Mr. Wahab Kakar for accompanying us on our field trips and helping with the collection.

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The authors declare that they did not receive any funding, grants or other forms of assistance while preparing this paper.

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Authors and Affiliations

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

    Alla Ud Din, Muhammad Shahid Iqbal, Abdul Nasir Khalid & Abdul Rehman Niazi

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  1. Alla Ud Din
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  2. Muhammad Shahid Iqbal
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  3. Abdul Nasir Khalid
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  4. Abdul Rehman Niazi
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Contributions

AUD created the study, designed it, and wrote the initial draft of the manuscript. MSI was in charge of material preparation and data gathering. MSI was in charge of sample collecting and analysis. ANK and ARN provided supervision and final changes to the text. The final manuscript was reviewed and approved by all writers.

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Correspondence to Alla Ud Din.

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Din, A.U., Iqbal, M.S., Khalid, A.N. et al. Chlorangium ahmadii sp. nov. and Circinaria darelensis sp. nov. two new species of lichenized Ascomycetes from Pakistan. Plant Syst Evol 310, 13 (2024). https://doi.org/10.1007/s00606-024-01893-3

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