| brown spot needle blight of pine |
Mycosphaerella dearnessii |
1 |
| cedar-apple rust |
Gymnosporangium juniperi-virginianae |
27 |
| chestnut blight or canker |
Cryphonectria parasitica |
1 |
| Dothistroma needle blight |
Mycosphaerella pini |
1 |
| Ectomycorrhizae |
Thelephora terrestris |
1 |
| Phytophthora root and crown rots |
Phytophthora spp. |
1 |
| sudden oak death |
Phytophthora ramorum |
6 |