c.2004. Plant pathologists Greg Filip (left) and Dave Shaw.
Plant pathologists Greg Filip (left) and Dave Shaw.
Photo by: Unknown
Date: c.2004
Photo credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Westside Forest Insect and Disease Service Center.
Source: Kristen Chadwick collection; Sandy, Oregon.
Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
c.2004. Plant pathologists Greg Filip (left) and Dave Shaw.
Plant pathologists Greg Filip (left) and Dave Shaw.
Photo by: Unknown
Date: c.2004
Photo credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Westside Forest Insect and Disease Service Center.
Source: Kristen Chadwick collection; Sandy, Oregon.
Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth