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7 pictures total.
Smooth patch on oak.
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| 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. |
| Associated trees: | |
