Fungus on Holme Oak

Fungus on Holme Oak

Observation - Fungus on Holme Oak. Description: I only saw four samples of this fungus, out of about 50 Holme Oak that I looked at. The largest (sorry a bit blurred) is 42 millimetre across

I only saw four samples of this fungus, out of about 50 Holme Oak that I looked at. The largest (sorry a bit blurred) is 42 millimetre across