Western Forest Insects and Diseases- ROOT DISEASES

Root Diseases (general + others, many species)

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Annosus Root Rot (Heterobasidion annosum)

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Armillaria Root Disease (Armillaria ostoyae)

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Black Stain Root Disease (Leptographium wageneri)

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Laminated Root Rot (Phellinus weirii)

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Port-Orford-Cedar Root Disease (Phytophthora lateralis)

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Sudden Oak Death (Phytophthora ramorum)

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https://www.fs.usda.gov/detail/r6/forest-grasslandhealth/?cid=fsbdev2_027367