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    Trees (6)
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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: Russulales(X) Stem Decays and Cankers(X) Fruiting Bodies(X)
11 Images of 3 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
5254061 false turkey tail Stereum ostrea Sporocarps of Stereum ostrea, the false turkey tail fungus.
5254066 false turkey tail Stereum ostrea Sporocarps of Stereum ostrea, the false turkey tail fungus.
5254068 false turkey tail Stereum ostrea Sporocarps of Stereum ostrea, the false turkey tail fungus.
5027069 smooth patch of oak Aleurodiscus oakesii
5027070 smooth patch of oak Aleurodiscus oakesii
5032007 wood decay Stereum spp.
5032008 wood decay Stereum spp.
5032009 wood decay Stereum spp.
5032010 wood decay Stereum spp.
5032011 wood decay Stereum spp.
5032012 wood decay Stereum spp.

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