Tar Spot Fungus, Rhytisma acerinum, Rhytismataceae, on sycamore leaves. UK. R. acerinum is an Ascomycete fungus that infects the leaves of trees.

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Tar Spot Fungus, Rhytisma acerinum, Rhytismataceae, on sycamore leaves. UK. R. acerinum is an Ascomycete fungus that locally infects the leaves of trees and is a biotrophic parasite. The disease is cosmetic and is therefore usually controlled only with sanitation methods. Tar spot does not usually have an adverse effect on the trees' long-term health.

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Size: 3648px × 5472px
Location: Totternhoe Knolls, Chilterns, UK.
Photo credit: © Florapix / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: acer, acerinum, ascomycete, biotrophic, black, botanical, botany, british, bush, bushes, cosmetic, detrimental, disease, flora, florapix, fungi, fungus, garden, gardens, green, leaf, leaves, natural, nature, naturepix, parasite, petal, petals, plant, plantae, plants, pseudoplatanus, rhytisma, rhytismataceae, ring, sapindaceae, shrub, shrubs, spot, spots, spotted, sycamore, tar, tree, trees, uk, wild, yellow