Ornamentals: Trees
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USDA Forest Service Archive(X)
| 7 Images of 6 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 2252001 | Dutch elm disease | Ophiostoma ulmi | vascular discoloration in winged elm |
| 2251098 | Dutch elm disease | Ophiostoma ulmi | crown symptoms |
| 2252015 | bacterial wetwood | Enterobacter nimipressuralis | canker on Siberian elm |
| 2252004 | oak wilt | Ceratocystis fagacearum | leaf symptoms |
| 2251099 | Verticillium wilt | Verticillium albo atrum | crown with wilt symptoms |
| 2253021 | kermes scales | Kermes spp. | |
| 2253016 | pesticides | Medicap plug |
