tar spot on maple leaves. Gretna Green, Dumfriesshire, Scotland, UK Rhytisma acerinum Acer

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Photo credit: © Richard Francis / Alamy / Afripics
License: Royalty Free
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Keywords: acer, acerinum, angiosperm, angiosperms, biological, biology, botanical, botany, disease, diseased, diseases, disorder, dumfriesshire, flora, fungal, fungus, green, gretna, infected, kingdom, leaf, leaves, maple, mycological, mycology, nature, pathogen, pathogens, plant, plants, pseudoplatanus, rhytisma, rural, scotland, sick, spot, sycamore, tar, tree, uk, united