USDA Forest Service:
1954. Port Orford cedar dying from Phytophthora root infection. Phloeosinus filling in. North Bend, Oregon.
USDA Forest Service:
1954. Port Orford cedar dying from Phytophthora root infection. Phloeosinus filling in. North Bend, Oregon.
USDA Forest Service:
1959. Phytophthora lateralis. Port Orford, Oregon.
USDA Forest Service:
1965. Discolored inner bark caused by Port Orford cedar root disease. Near Bandon, Oregon.
USDA Forest Service:
c.1967. Dead young Port Orford cedars along a skid road in a farm wood lot after introduction of Phytophthora lateralis during logging of a Douglas-fir overstory. Oregon.
USDA Forest Service:
1969. Port orford cedar logs. Flathead and roundhead borer damage. Brookings, Oregon.
USDA Forest Service:
1969. Port Orford cedar logs. Flathead and roundhead borer damage. Sawmill in Brookings, Oregon.
USDA Forest Service:
1985. Cristy Gonzalez with Port Orford cedar root disease along a stream. Siskiyou National Forest, Oregon.
USDA Forest Service:
1999. Map showing range of Port Orford cedar and areas of the species infected with Phytophthora lateralis (Port Orford cedar root disease). Oregon and California.
USDA Forest Service:
c.2000. Color aerial photograph taken over the Siskiyou National Forest, Oregon showing Port-Orford cedar in a mixed forest of Douglas-fir, western hemlock and Port-Orford cedar (original scale 1:4,000).
USDA Forest Service:
2001. Don Goheen, forest pathologist, recording Port Orford cedar root disease data.
USDA Forest Service:
2001. Port Orford cedar root disease field meeting with forest pathologists Don Goheen (R6) and Pete Angwin (R5).
USDA Forest Service:
2001. Port Orford cedar root disease field meeting with R6 pathologist Don Goheen and R5 pathologist Pete Angwin.
USDA Forest Service:
2001. Port Orford cedar root disease resistance field meeting.
USDA Forest Service:
2001. Port Orford cedar root disease field meeting with forest pathologists Don Goheen (R6) and Pete Angwin (R5).
USDA Forest Service:
2001. Port Orford cedar cones and seeds. Dorena Genetic Resource Center. Cottage Grove, Oregon.
USDA Forest Service:
2002. Port Orford cedar immature pollen cones. Dorena Genetic Resource Center. Cottage Grove, Oregon.
USDA Forest Service:
2002. Dorena geneticist Richard Sniezko with Port Orford cedar seedling in water.
USDA Forest Service:
2002. Port Orford cedar cones in the greenhouse. Dorena Genetic Resource Center. Cottage Grove, Oregon.
USDA Forest Service:
2002. Heather May harvesting Port Orford cedar seed cones. Dorena Genetic Resource Center. Cottage Grove, Oregon.
USDA Forest Service:
2002. Heather May harvesting Port Orford cedar seed cones. Dorena Genetic Resource Center. Cottage Grove, Oregon.
USDA Forest Service:
2002. Jodie Morrison harvesting Port Orford cedar seed cones. Dorena Genetic Resource Center. Cottage Grove, Oregon.
USDA Forest Service:
2002. Harvested Port Orford cedar seed cones. Dorena Genetic Resource Center. Cottage Grove, Oregon.
USDA Forest Service:
2002. Port Orford cedar seed cones. Dorena Genetic Resource Center. Cottage Grove, Oregon.
USDA Forest Service:
2002. Port Orford cedar seed cones. Dorena Genetic Resource Center. Cottage Grove, Oregon.
USDA Forest Service:
2002. Port Orford cedar cone drying storage. Dorena Genetic Resource Center. Cottage Grove, Oregon.
USDA Forest Service:
2002. Jerry Berdeen. Port Orford cedar seed extraction. Dorena Genetic Resource Center. Cottage Grove, Oregon.
USDA Forest Service:
2002. Jerry Berdeen with coarse screen used for Port Orford cedar seed extraction. Dorena Genetic Resource Center. Cottage Grove, Oregon.
USDA Forest Service:
2002. Dry Port Orford cedar cones ready for seed extraction. Dorena Genetic Resource Center. Cottage Grove, Oregon.
USDA Forest Service:
2002. Screens used for Port Orford cedar seed extraction. Dorena Genetic Resource Center. Cottage Grove, Oregon.
