Fomes fomentarius
Tinder fungus
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.
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
Pest group: Fungi
Affected part of wood: Heartwood, Sapwood
Depth of damages: More than 5 cm depth, Under bark only, Up to 0,5 cm depth, Up to 2 cm depth, Up to 5 cm depth
The extent of damage: Whole trunk
Prevalence in Europe: Very common
Damaged products: Firewood, Furniture, Lumber, boards and prisms, Wood chips, Wooden house constructions
Roundwood size: Diameter 50+, Diameter from 10 up to 50 cm
Wood discoloration: Yes
Pest subcategory: White-rot
Similar pests
Perenniporia fraxinea
Phellinus robustus
