Narrow Results by:

Subject Specific Filters:

All Subject Filters are in use

Image Specific Filters:

All Image Filters are in use

USDA Forest Service

USDA Forest Service

The U.S. Department of Agriculture Forest Service is a Federal agency that manages public lands in national forests and grasslands. The Forest Service is also the largest forestry research organization in the world, and provides technical and financial assistance to state and private forestry agencies. Gifford Pinchot, the first Chief of the Forest Service, summed up the purpose of the Forest Service—"to provide the greatest amount of good for the greatest amount of people in the long run."


Remove Filters: Diseases(X) Tree Risk Management(X)

1 Images of 1 Subjects View Subject List View Image Details View Thumbnails

first prev Page: next last Display:

Image Subject Name Scientific Name Description
1409077 red heart of pine Phellinus pini A varient of Fomes pini that occurs in fir on the west coast produced large wedges of infection in the bark. When these wedges coalesce, they will girdle the tree.

Page: