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    Root and Butt / Root and Stem Diseases (3)
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Robert L. James's Images

Title: Plant Pathologist
Organization: USDA Forest Service
Unit: Forest Health Protection - Coeur d’Alene Field Office
Country: United States
Remove Filters: Conifer(X) 5 Sizes Available(X)
8 Images of 5 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
2251051 Dothistroma needle blight Mycosphaerella pini
2250030 Armillaria root rots Armillaria spp. resinosus on buttress root of Douglas-fir
2251045 Swiss needle cast Phaeocryptopus gaeumannii symptomatic trees
2251048 Dothistroma needle blight Mycosphaerella pini infected needles on ponderosa pine
2250050 laminated root disease Phellinus weirii decay and stain in Douglas fir
2250053 annosum root disease Heterobasidion annosum fruiting body on ponderosa pine root
2250031 laminated root disease Phellinus weirii mortality centers
2250047 laminated root disease Phellinus weirii wind-thrown tree

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