| Botanical name | Common name |
| SUSCEPTIBLE | |
| Fraxinus | Ash |
| Liriodendron | Tulip tree |
| Picea | Spruce |
| Pinus | Pine |
| Populus | Poplar |
| Quercus | Oak |
| Ulmus | Elm |
| LESS SUSCEPTIBLE* | |
| Aesculus | Horse chestnut |
| Betula | Birch |
| Fagus | Beech |
* No species is totally immune, and location and size of the tree are also factors influencing susceptibility.
From Tree Maintenance, P. P. Pirone. Copyright 1978 Oxford University
Press, Inc. Reprinted by permission.