Tree Problems
Disease
- Diseases of Trees in the Great Plains (Link to National Agroforestry Center)
- Dutch elm disease
- NDSU Plant Diagnostic Lab
- ND Forest Health Highlights - 2015
Pests
- Common Insect Pests of Trees in the Great Plains (Link to National Agroforestry Center)
- Insect and Disease Leaflets - USDA Forest Service
- Forest Health Monitoring (USDA Forest Service)
- Invasive Species and Forest Ecosystems (USDA Forest Service)
- Emerald Ash Borer
- Asian Long-horned Beetle