What’s the fungus growing on my tree?
Will it kill the tree or make it unsafe?
If your tree is showing symptoms of ill health, which may be related to pest or disease, cultural or other reasons, you can send samples to the following organisations for analysis. Or consider engaging the service of an Arboricultural Association Registered Consultant or Approved Contractor. Please note: charges apply for these services.
The Forestry Commission and its tree health diagnostic and advisory service, Forest Research, offer analysis of and advice on tree health and related matters.
Tree Health Diagnostic and Advisory Service
Download the 'Report of tree problem for diagnosis' form
Analysis is also available from the Bartlett Tree Expert Research Laboratory
Books
Fungi on Trees - An Arborists' Field Guide
The most comprehensive photograph reference, detailing stages in development as well as close up studio shots as an aid to identification.
Apps
There are a number of online resources now available to help you identify fungi including several free fungi ID apps. The two below were both developed by arborists: