Turkeytail
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Trametes versicolor
The fruiting body is somewhat tongue-shaped, with no discernable stalk, and the tough flesh is 1–3 millimetres (1⁄16–1⁄8 in) thick.
The cap is flat, up to 10 centimetres (4 in) across.
It is often triangular or round, with zones of fine hairs coloured rust-brown or darker brown, sometimes with black zones.
Underneath a layer of tomentum is a black layer, topping the whitish flesh.
Older specimens can have zones with green algae growing on them.
The bottom surface of the cap shows typical concentric zones of different colors, with the margin always the lightest.
They are whitish to light brown, with pores round and with age twisted and labyrinthine.
Common & widespread in Britain from January-December.