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    Valsaceae (3)
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    Pennsylvania Department of Conservation and Natural Resources - Forestry Archive (2)

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Diseases - Stem Decays and Cankers

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Subject Scientific Name Images
chestnut blight or canker Cryphonectria parasitica 2
Cytospora canker of spruce Valsa kunzei 1
Cytospora cankers Cytospora spp. 1
Leucostoma canker of spruce Leucostoma kunzei 3

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