Host:oak (Quercus spp.
L.) Descriptor: Symptoms Description: Xylem of red oak affected by Ceratocystis fagacearum showing diffuse stain (often there is less stain than this). Image type: Field Image location: United Kingdom
Specimen in collection: No Specimen Condition: Identification Method:
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Image Citation:(?) John N. Gibbs, Forestry Commission, Bugwood.org