Rhytisma acerinum
Appearance
Rhytisma acerinum | |
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Rhytisma acerinum fungus on Acer pseudoplatanus leaf | |
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Species: | R. acerinum
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Binomial name | |
Rhytisma acerinum Schwein., (1832)
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Rhytisma acerinum is a plant pathogen. It commonly affects sycamores and maples in late summer and autumn. The common name of this disease is tar spot. This disease does not usually have an adverse effect on the trees' long-term health.[citation needed]