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. 2025 Dec 3;16:1648820. doi: 10.3389/fmicb.2025.1648820

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Copyright © 2025 Varghese, Krishnamoorthy, Hredhya, Kumari, Bhattacharya, Kundu, Goswami, Yadav, Verma, Ravikrishna and Gunthe.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Various scanning electron microscope images of diverse pollen grains are arranged in a grid. Each image displays pollen with distinct shapes and textures, ranging in size from 2 to 10 micrometers, highlighting their intricate structures and surfaces. — SEM images confirming the presence of fungal bioaerosols covering a wide size range, explaining the broad fungal size distribution.