Smoky Polypore Bjerkandera adusta (Fr. Polypore brûlé) is a grey-brown velvety bracket fungus with a white edge. The white underside has tiny pores, which become grey with age.
Smoky Polypore brackets on a birch trunk that has snapped in the wind, in the Forest of Preuilly, February 2026.
It grows in crowded groups layered above and below one another, and overlapping, on stumps and trunks of dead or living trees, usually deciduous species, but sometimes conifers.
Resupinate Smoky Polypore on a chestnut firewood log, February 2026.
It can be resupinate (with its back stuck to the wood like a scab and the fertile surface uppermost) or as brackets (with the fertile surface facing downwards and the mushrooms only attached by one edge). The resupinate versions can be more difficult to identify as there are a couple of other mushrooms that look similar. The brackets can be mistaken for the somewhat more abundant Turkey Tail Trametes versicolor.
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