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." |
| 16 Images of 2 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 5047077 | black knot | Apiosporina morbosa | Heavy infection of cherry by black knot |
| 5047074 | black knot | Apiosporina morbosa | Sporulating galls of the black knot fungus. |
| 1502085 | black knot | Apiosporina morbosa | Black knot; cherry; Dry Prong (Stuart Lake) |
| 5027084 | black knot | Apiosporina morbosa | Galls on small twigs usually kill the shoots distally from the gall. |
| 5028014 | black knot | Apiosporina morbosa | Black knot gall (sporocarp) on black cherry |
| 5028015 | black knot | Apiosporina morbosa | Older sporocarp of Apiosporina morbosa on black cherry stem. |
| 5028016 | black knot | Apiosporina morbosa | Sporocarp of Apiosporina morbosa on black cherry stem. |
| 5047078 | apple scab | Venturia inaequalis | |
| 5047079 | apple scab | Venturia inaequalis | |
| 5047080 | apple scab | Venturia inaequalis | |
| 5047081 | apple scab | Venturia inaequalis | |
| 5047075 | black knot | Apiosporina morbosa | |
| 5047076 | black knot | Apiosporina morbosa | |
| 5061011 | apple scab | Venturia inaequalis | |
| 5061012 | apple scab | Venturia inaequalis | |
| 5037071 | black knot | Apiosporina morbosa | on main stem |
