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Month: Nov
Year: 2010
State: OR
County: Marion
Grower: Landscape
Host Category: woody ornamentals
Host Common Name: oak
Host Scientific Name: Quercus rubra
Symptoms: leaf spots and blisters
Parts affected: leaf
Primary Pathogen Category: fungus
Diagnosis Common Name: leaf blister
Diagnosis Scientific Name: Taphrina caerulescens
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