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." |
| 5 Images of 5 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 1241682 | laminated root disease | Phellinus weirii | Conks are rare. They grown on a root of fallen stem of a tree killed by laminated root rot. They are thin, leathery when fresh and friable with age, light weight, yellow to cinnamon brown with small pores. |
| 1241576 | fir needle cast | Lirula abietis-concoloris | Lirula abietis (needle cast) fruiting bodies (hysterothecia) on midrib of undersides of grand fir needles. |
| 1361134 | annosum root disease | Heterobasidion annosum | Conk at base of tree |
| 1361166 | wood decay | Poria incrassatus | Mycelial fans |
| 0364020 | Lophodermium needle casts | Lophodermium spp. | close-up view |
