A whitish-grey, semicircular bracket with a hump, which is often found covered in green algae. It has rounded to irregular, maze-like pores which are pale cream to buff coloured. Fruit body 5 to 12cm across.
Seen all year round on dead deciduous trees, especially Beech. Widespread and common.
Photographs of Lumpy Bracket (Trametes gibbosa) taken October 2011, country park, Staffordshire. © Pete Hillman 2011. Camera used Panasonic Lumix DMC-FZ38.