Wood Fungus (Ischnoderma benzoicum) - Stock Image

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Description
Ischnoderma benzoicum (Wahl.) Karst. Fruit body annual; no stem, broadly attached, or with a small stem-like attachment. Bracket up to 15cm across, 12cm wide, 3cm thick at base, semicircular, with a thick rounded or lobed margin; at first fleshy and exuding resin, then hard and brittle; upper surface ochre to rusty brown to blackish; finely felty and fairly smooth, becoming concentrically zoned and ridged and wrinkled with a glossy black resinous crust. Tubes up to l0mm deep; brownish. Pores 4-6 per mm, angular to round; surface creamy white, darker when touched, later pale brown. Flesh up to l0mm thick at base, soft becoming harder; whitish drying yellowish brown to pale cinnamon. Spores cylindrical, smooth, 5-7 X 1.5-2ยต. Deposit white. Hyphal structure dimitic; clamps present. Habitat singly or occasionally overlapping on logs and stumps of hardwoods. Found in Europe and throughout North America. Season September-October. Not edible (source R. Phillips).

This is a quite common Species on mostly Coniferous Wood in the Netherlands.

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