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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: Hymenochaetales(X) Fruiting Bodies(X) 4 Sizes Available(X)
5 Images of 3 Subjects View Subject List View Image Descriptions View Thumbnails
5 Images    

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5038099
5038099
clinker polypore
Inonotus obliquus
Fruiting Bodies
Joseph O'Brien

5030094
5030094
false tinder polypore
Phellinus igniarius
Fruiting Bodies
Joseph O'Brien

5057064
5057064
white heartwood rot
Phellinus tremulae
Fruiting Bodies
Joseph O'Brien

5035047
5035047
false tinder polypore
Phellinus igniarius
Fruiting Bodies
Joseph O'Brien

5030098
5030098
false tinder polypore
Phellinus igniarius
Fruiting Bodies
Joseph O'Brien

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