Fistulina hepatica

The fruiting body is annual, juicy and fleshy, elongated, thick and tongue-like, 5-25 cm wide, and 3-8 cm thick. On the surface, it has a jelly-like papillous epidermis, orange red when young, later on fleshy purple, and fleshy brown when old. The tubes are loose (the walls are not joined with each other); whitish to pale ochre, the colour turns to rusty brown when old. It reminds of fresh bloody beef meat on the cut. The mycelium causes the heartwood to turn brown, the heartwood is not destroyed completely, but it is more fragile.

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The fruiting body is annual, juicy and fleshy, elongated, thick and tongue-like, 5-25 cm wide, and 3-8 cm thick.

Tree Species: Oak, Chestnut

Part of a plant- attacked: Tree trunk

Pest significance: Harmful

Pest Category: Fungi

Invasive Species: No

Present in EU: Yes

Pest group: Fungi