Smooth patch on oak.
|Severity:||1 out of 5|
|Frequency:||4 out of 5|
|Symptoms:||The fungi break down the outer rough dead bark leaving a smoother light gray bark behind. Small patches often merge to form large patches. The smooth patch fungi will produce whitish looking fruiting structures under the right conditions.|
|Cycle:||The fungi survive on outer dead bark. Spores are spread by wind and water.|
|Management:||No control is recommended.|