25 December 2008 Hampshire. Photograph copyright Leif Goodwin.
A thin bracket, laterally attached to the substrate, upper surface concentrically zoned, velvety then smooth, colour variable, rust, brown, grey blue, margin whitish, underside whitish, pores 3 to 5 per mm, to about 8 cm across
On dead wood of deciduous trees, usually in large clusters
Whitish to pale yellow
Spores sausage shaped or cylindrical, smooth (1.5-2) x (5-6) µm2