Trametes gibbosa

Lumpy bracket

Fruiting bodies are perennial, 8–15 cm wide, laterally attached, semicircular. The surface is flat, only at the point of attachment slightly convex with a characteristic lump, sparsely striped, slightly grooved and covered with thick thorny hair. When young, its surface is white, then greyish, also greyish green under the influence of algae, and almost black when old. Pores are elongated. The fruiting bodies are often consumed by beetle larvae, as evidenced by the grains of the fungus around the fruiting body. The mycelium causes quite intense white rot of attacked wood.

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Symptom

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White small fruiting bodies on dead wood.

Tree Species: Birch, Beech, Oak, Hornbeam, Lime, Horse Chestnut

Part of a plant- attacked: Tree trunk, Branch

Pest significance: Very harmful

Pest Category: Fungi

Invasive Species: No

Present in EU: Yes

Pest group: Fungi