Unknown fungus at foot of beech tree

Unknown fungus at foot of beech tree

Observation - Unknown fungus at foot of beech tree - UK and Ireland. Description: Can anyone identify this fungus please? Found in Sydenham Hill Woods, South London, early August 2008 at the foot of a beech tree. The brackets (each plate)were about 30 cm diameter. Total area covered by the fungus about 1 metre squared.Upper side cre

Can anyone identify this fungus please?
Found in Sydenham Hill Woods, South London, early August 2008 at the foot of a beech tree. The brackets (each "plate")were about 30 cm diameter. Total area covered by the fungus about 1 metre squared.Upper side creamy brown concentric ringed pattern. Weather had been damp for the previous week.