Forestry: Conifer
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Sign(X) Laboratory(X) United States(X) USDA Forest Service - Northeastern Area Archive(X) 4 Sizes Available(X)
| 1 Images of 1 Subjects | View Subject List | View Image Details | View Thumbnails |
| Subject | Scientific Name | Images |
|---|---|---|
| Scleroderris canker of pine and spruce | Gremmeniella abietina | 1 |
