Violetter Knorpelschichtpilz - Chondrostereum purpureum - Silver leaf, Germany

Chondrostereum purpureum is a fungal plant pathogen which causes Silver leaf disease of trees.

 

After starting as just a crust on the wood, the fruiting structure develops undulating intergrowing brackets up to about 3 cm broad, which have a tough rubbery texture. It is often found on old stumps and dead wood.

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