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Borys M. Tkacz's Images

Title: National Program Manager, Forest Health Monitoring
Organization: USDA Forest Service
Unit: Forest Health Protection - National Program - Chief's Office
Country: United States
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Image Subject Name Scientific Name Description
4215008 Armillaria root rots Armillaria spp. bioluminescent mycelial fans under bark
4215007 Armillaria root rots Armillaria spp. basal resinosus in true fir

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