Fungus

Fungus

Observation - Fungus. Description: These photos are of an Ash tree in my garden, located at the top of the Malvern Hills, (900ft). What is the fungus and is it telling me anything I need to know about the health of the tree! It is just on one relatively small limb, the rest looks to be fi

These photos are of an Ash tree in my garden, located at the top of the Malvern Hills, (900ft). What is the fungus and is it telling me anything I need to know about the health of the tree!
It is just on one relatively small limb, the rest looks to be fine at the moment
Many thanks
Martin