An annual or biennial bracket with thick, tough and rigid, almost smooth caps, scarcely zonate.  It typically acquires a green layer of algae.  The pores are radially stretched, elongate, up to 5mm long and 1-2mm across.

other Trametes

Photograph upper and lower fertile surface to show pores; note host plant and substrate

Deciduous, mainly Beech

Widespread and fairly common in Britain.

Fairly frequent in Leicestershire and Rutland.