What’s the fungus growing on my tree? Will it kill the tree or make it unsafe?

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

Forest Research Logo

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:

TMA Fungi App

Fungi ID App by Arbtalk

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