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Got Nature? > Posts > Question: What is this growing on my tree?
July 25
Question: What is this growing on my tree?

This appears to be Northern Tooth Fungus, but would need to look at it more closely for certain identification.  This fungus causes a heart rot on maples and other trees.  In most cases the tree has to be tested for the exten of the decay.  Presense alone of the fruiting bodies is usually not reason for removal, however, it should be reviewed by a certified arborist for risk assessment.

Resources:
Northern Tooth Fungus-Climacodon septentrionale, Department of Biology, University of Wisconsin
Indiana Certified Arborists, International Society of Arboriculture

Lindsey Purcell, Urban Forestry Specialist
Department of Forestry and Natural Resources, Purdue University

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For publications:
The Education Store

Purdue Nature of Teaching

HelptheHellbender.org
Indiana Department of Natural Resources

Master Gardener, Purdue University

Tree Doctor App, Purdue University

Purdue Plant & Pest Diagnostic Laboratory

Purdue Six Legs News Column

Purdue Yard and Garden