butternut canker
Sirococcus clavigignenti-juglandacearum N. B. Nair, Kostichka & Kuntz

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5483039

Symptoms
Tom Creswell

4213072
4213072

Symptoms
Minnesota Department of Natural Resources Archive

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4213071

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Minnesota Department of Natural Resources Archive

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1396141

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USDA Forest Service - Northeastern Area Archive

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1399080

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Manfred Mielke

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1399078

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Manfred Mielke

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1399077

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Manfred Mielke

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1399079

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Manfred Mielke

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1396143

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USDA Forest Service - Northeastern Area Archive

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1396142

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USDA Forest Service - Northeastern Area Archive

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1399076

Symptoms
Manfred Mielke

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1399075

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Manfred Mielke

1396148
1396148

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USDA Forest Service - Northeastern Area Archive

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1398074

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Mike Ostry

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2635002

Sign
USDA Forest Service Archive

1396147
1396147

Symptoms
USDA Forest Service - Northeastern Area Archive

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5028048

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Joseph O'Brien

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5028047

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USDA Forest Service - Forest Health Protection - St. Paul Archive

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5028049

Symptoms
USDA Forest Service - Forest Health Protection - St. Paul Archive

5049047
5049047

Symptoms
Joseph O'Brien

5049048
5049048

Symptoms
Joseph O'Brien

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5049049

Symptoms
Joseph O'Brien

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5049050

Symptoms
Joseph O'Brien

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5049051

Symptoms
Joseph O'Brien

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5049052

Symptoms
Joseph O'Brien

5049053
5049053

Symptoms
Joseph O'Brien

4213070
4213070

Symptoms
Minnesota Department of Natural Resources Archive

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0590008

Symptoms
Robert L. Anderson

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0590009

Symptoms
Robert L. Anderson

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0590010

Symptoms
Robert L. Anderson

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0590027

Symptoms
Robert L. Anderson