A large annual bracket fungus that has corky flesh that is found usually solitary in broadleaf woodland and is parasitic on Oak trees.
Infrequent, found throughout the year but sporulating in late Summer and Autumn.
Deciduous woodland, preferring Oak wood.
The fruitbody's upper surface is initially pale grey becoming brown and paler at the margin, finally black with age; thick lump margin, rounded, exudes reddish yellow droplets when actively growing, sessile.
Yellowish or rust coloured, soft and fibrous.
Pores are whitish-grey, then rust, circular initially then angular. Tubes are a dull brown colour.
