c.1979. Greg Filip - Fomes annosus study on hemlock.
Greg Filip - Fomes annosus study on hemlock.
Photo by: Unknown
Date: c.1979
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.1979. Greg Filip - Fomes annosus study on hemlock.
Greg Filip - Fomes annosus study on hemlock.
Photo by: Unknown
Date: c.1979
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