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Diseases (9)
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    Root and Butt / Root and Stem Diseases (4)
    Stem Decays and Cankers (4)
    Vascular Wilts (2)

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    Microascales (2)
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Forestry: Hardwood

Remove Filters: USDA Forest Service - Forest Health Protection - St. Paul Archive(X)
25 Images of 10 Subjects View Subject List View Image Details View Thumbnails

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Subject Scientific Name Images
annosum root disease Heterobasidion annosum 1
Armillaria root rots Armillaria spp. 1
ash yellows phytoplasma Candidatus Phytoplasma fraxini 10
black rot Ceratocystis fimbriata 1
butternut canker Sirococcus clavigignenti-juglandacearum 2
clinker polypore Inonotus obliquus 2
Hypoxylon canker of aspen Entoleuca mammata 4
oak decline 1
oak wilt Ceratocystis fagacearum 2
Schweinitzii root and butt disease Phaeolus schweinitzii 1

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