Unusual color on Oak Tree branch or trunk : UMN Extension
![](https://apps.extension.umn.edu/garden/diagnose/plant/images/oak/disease/smooth2_600px.jpg)
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Unusual color on Oak Tree branch or trunk : UMN Extension
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Letter From Skunk Hollow: An invasion of gooey tree squids - MinnPost
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Shrubs & Trees The Peterborough & Area Master Gardeners
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Tree Care Tips Archives - Barts Tree Service
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Insect that kills ash trees found in Moorhead for the first time - InForum
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River Birch Yale Nature Walk
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How to Prune a Tree: 13 Steps (with Pictures) - wikiHow
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Box Elder Tree (Acer Negundo) Maple Care, Identification, Planting Tips
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The land grant university system and UMN Extension forestry
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Why Do Trees Die
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How to Trim Oak Trees: 9 Steps (with Pictures) - wikiHow