Fistulina necrosis Quercus robur

[Fungus]

Last week I found this dramatic example of bark and cambium necrosis on a Quercus robur, which had been infected with Fistulina hepatica after being severely damaged by the hoofs of cows trying to eat leaves from low hanging branches of the tree by "climbing" up the base of the trunk.

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[Fungus]

And this is what the necrosis and the brown rot by Fistulina of the cambium and wood of the base of the trunk of a Quercus robur looks like after the bark has fallen off.

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Edited June 24, 2011 by Fungus

[Tony Croft aka hamadryad]

thats a beautiful image, ive not had a chance to "harvest" the symptoms myself yet, but those burrs are classic