| Image |
Descriptor |
Description |
Photographer |
| 0177045 |
Symptoms |
Phloem discoloration in Ulmus americana, caused by elm phloem necrosis phytoplasma, close-up |
Wayne A. Sinclair |
| 0656057 |
Symptoms |
Early foliar symptoms caused by elm phloem necrosis phytoplasma; healthy (left) and diseased (right) branches, showing epinasty of leaves. |
Wayne A. Sinclair |
| 0656058 |
Symptoms |
Phloem discoloration in Ulmus americana caused by elm phloem necrosis phytoplasma infection; healthy (top) and diseased (bottom). |
Wayne A. Sinclair |
| 0656059 |
Symptoms |
Necrotic rootlets on Ulmus americana caused by elm phloem necrosis MLO infection. |
Wayne A. Sinclair |
| 1501028 |
Symptoms |
Elm phloem necrosis, stem symptoms |
USDA Forest Service - Region 8 Archive |
| 5021023 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021024 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021025 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021027 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021028 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021029 |
Symptoms |
dieback |
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021033 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021034 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021035 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021036 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021037 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021038 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021039 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021042 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021043 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021044 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021046 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021058 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021059 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021060 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021061 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021062 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021063 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
| 5021083 |
Symptoms |
|
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive |
