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USDA Forest Service - Region 10 - Alaska Archive's Images

Organization: USDA Forest Service
Unit: Alaska Region
Country: United States
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Image Subject Name Scientific Name Description
1241490 larch dwarf mistletoe Arceuthobium laricis Witches brooms often indicate dwarf mistletoe infection. Brooms result from a proliferation of small twigs on a branch. Western larch is a species which generally form large, distinct brooms in response to dwarf mistletoe infections. Infection tend to be most severe in the lower portions of the crowns.

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