USDA Forest Service
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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." |
| 18 Images of 4 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 2139070 | oak leaf blister | Taphrina caerulescens | |
| 2139066 | leaf blister of maple | Taphrina sacchari | |
| 2251095 | leaf blister of poplar | Taphrina populina | leaf blisters |
| 2139065 | leaf blister of maple | Taphrina sacchari | |
| 2139069 | oak leaf blister | Taphrina caerulescens | |
| 3046084 | leaf blister of poplar | Taphrina populina | |
| 1198006 | oak leaf blister | Taphrina caerulescens | |
| 3046083 | leaf blister of poplar | Taphrina populina | |
| 1198005 | oak leaf blister | Taphrina caerulescens | |
| 1398250 | Taphrina flower fungus | Taphrina johansonii | Infected catkins |
| 5056061 | oak leaf blister | Taphrina caerulescens | Leaf blisters |
| 5056062 | oak leaf blister | Taphrina caerulescens | Leaf blisters |
| 5056063 | oak leaf blister | Taphrina caerulescens | Leaf blisters |
| 5059045 | oak leaf blister | Taphrina caerulescens | |
| 5059046 | oak leaf blister | Taphrina caerulescens | |
| 2180029 | oak leaf blister | Taphrina caerulescens | |
| 2180030 | oak leaf blister | Taphrina caerulescens | left leaf infected; right leaf healthy |
| 2180031 | oak leaf blister | Taphrina caerulescens |
