Oregon State University Plant Clinic

Diagnoses by County

Please click the county on the map to access the links for plant disease diagnoses and/or arthropod identification data for that county.

NEW For some counties there are now two plant disease data sheets (see the tabs at the bottom of the sheet); sheet 1 is the full list, sheet 2 is the image list.

clatsop columbia tillamook washington multnomah hood river wasco sherman gilliam morrow umatilla wallowa union yamhill lincoln polk marion clackamas benton jefferson wheeler grant linn baker lane deschutes crook douglas coos klamath curry josephine jackson lake harney malheur

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For more information contact Melodie Putnam

Map Courtesy of Digital-Topo-Maps.com