Zoned, grey-brown tree fungus
Ash leaves damaged by feeding
Tree fungus on felled deciduous trees
Crust which causes white rot and canker in deciduous trees
Dangerous fungus which causes canker in chestnut and oak trees
Sulphur-yellow tree fungus which causes brown rot
Initially green, later reddish galls on oak leaves
Leaf spot and needle blight due to road salting
Threatens surface-rooted trees
Yellowish, fanlike tree fungus with scales
Large brown tree fungus indicating root damage
Intensive deposit on leaves which can also be wiped off
Tree fungus with a flexible range of colours
Dangerous disease which attacks the entire tree
Frost-resistant tree fungus with a dark, velvety stem
Encyclopaedia of trees 
