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  • Black sooty mould growing on a beech tree.
    Rights: Department of Conservation, CC BY 4.0 Published 12 July 2016, Updated 21 August 2018 Size: 170 KB Referencing Hub media

    Black sooty mould grows where honeydew droplets splash onto tree trunks, forming small ecosystems of their own. Here the mould is growing on a beech tree.

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