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Fomes fomentarius

Tinder fungus

Description

Bracket is 5–45 cm across, 3–25 cm wide, 2–25 cm thick, hoof-shaped, hard and woody, usually discrete but several fruiting bodies may occur on the same trunk; upper surface with a hard horny crust, concentrically grooved and zoned grey. Flesh hard, fibrous, cinnamon-brown. Taste acrid, smell slightly fruity. Tubes are 2–7 mm long in each layer, rustybrown. Pores are 2–3 per mm, circular, light greybrown darkening when handled. Spores are brownish, lemon-yellow, oblong-ellipsoid, 15–20 × 5–7 μm.

Symptom

Presence of large, white cream fruiting bodies on stems with distinct layers.

Tree Species: Birch, Beech, Rowan, Whitebeam, Maple, Lime, Horse Chestnut, Poplar

Part of a plant- attacked: Tree trunk, Roots, Branch

Pest significance: Very harmful

Pest Category: Fungi

Invasive Species: No

Present in EU: Yes



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Location map: Fomes fomentarius

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Observed by users on these tree species

 


Last observations

There are a total of 90 observations of the species in the system

andrej

Fomes fomentarius Tinder fungus
andrej
Number of votes: 0
Published: 2.2.2026

19196

Fomes fomentarius Tinder fungus
19196
Number of votes: 0
Published: 17.1.2026

Sebastián Firek

Fomes fomentarius Tinder fungus
Sebastián Firek
Number of votes: 0
Published: 8.1.2026

Janka Golianová

Fomes fomentarius Tinder fungus
Janka Golianová
Number of votes: 0
Published: 6.1.2026

Eliška Dodoková

Fomes fomentarius Tinder fungus
Eliška Dodoková
Number of votes: 0
Published: 6.1.2026


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