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Unknown Cause
I don't know what caused this deformation in the tree so for now I put it in the "other" category.
Spotted on Dec 1, 2013
Submitted on Dec 1, 2013
1 Comment
Hi Lucky Logan. This is a gall. It is caused by the tree forming around some kind of disturbance, usually insect. http://forest.mtu.edu/research/hwbuck/ha...