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Joseph O'Brien's Images

Title: Plant Pathologist
Organization: USDA Forest Service
Unit: Forest Health Protection
Country: United States

Joe is a plant pathologist with the U.S. Forest Service in St. Paul, Minnesota. in addition to photography, his major interests include tree diseases in forests, woodlands and urban areas, hazard tree identification and mitigation, and mycology. Joe is a graduate of the University of Michigan (B.S. Forestry and M.S. Forest Pathology) and the University of Minnesota (Ph.D. Plant Pathology), and currently works at the Northern Research Station on the University of Minnesota's St. Paul campus.

Remove Filters: Mammals^(X) United States^(X)

12 Images of 5 Subjects

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12 Images

1198021 porcupine Erethizon dorsatum Adult(s) Joseph O'Brien	5297087 American beaver Castor canadensis Habitat Joseph O'Brien	5031017 porcupine Erethizon dorsatum Adult(s) Joseph O'Brien
5031016 porcupine Erethizon dorsatum Damage Joseph O'Brien	5029004 porcupine Erethizon dorsatum Damage Joseph O'Brien	5034005 red fox Vulpes vulpes Adult(s) Joseph O'Brien
5033018 American beaver Castor canadensis Feature(s) Joseph O'Brien	5033041 white-tailed deer Odocoileus virginianus Damage Joseph O'Brien	5033019 American beaver Castor canadensis Damage Joseph O'Brien
5033017 American beaver Castor canadensis Damage Joseph O'Brien	5038012 cattle Bos spp. Adult(s) Joseph O'Brien	1198004 porcupine Erethizon dorsatum Damage Joseph O'Brien

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