| American chestnut |
Castanea dentata |
2 |
| apple scab |
Venturia inaequalis |
2 |
| black oak |
Quercus velutina |
1 |
| blue horntail woodwasp |
Sirex cyaneus |
1 |
| common hackberry |
Celtis occidentalis |
1 |
| Cytospora cankers |
Cytospora spp. |
1 |
| dogwood |
Cornus spp. |
1 |
| dogwood anthracnose |
Discula destructiva |
1 |
| Dutch elm disease |
Ophiostoma ulmi |
1 |
| eastern redbud |
Cercis canadensis |
1 |
| emerald ash borer |
Agrilus planipennis |
1 |
| flowering ash |
Fraxinus ornus |
1 |
| flowering dogwood |
Cornus florida |
2 |
| hemlock woolly adelgid |
Adelges tsugae |
1 |
| hispidus canker |
Inonotus hispidus |
1 |
| Japanese wax scale |
Ceroplastes japonicus |
5 |
| Marssonina blight of poplar |
Marssonina populi |
2 |
| oak wilt |
Ceratocystis fagacearum |
1 |
| periodical cicada |
Magicicada septendecim |
1 |
| Phellinus fungus |
Phellinus pomaceus |
1 |
| Phytophthora root rot |
Phytophthora cinnamomi |
1 |
| polypore fungus |
Polyporus arcularius |
1 |
| polypore fungus |
Polyporus badius |
1 |
| powdery mildew |
Phyllactinia guttata |
1 |
| Road salt or de-icing salt |
|
1 |
| robustus conk |
Phellinus robustus |
1 |
| slippery elm |
Ulmus rubra |
2 |
| southern blight |
Sclerotium rolfsii |
1 |
| spruce bud scale |
Physokermes piceae |
2 |
| sulfur shelf |
Laetiporus sulphureus |
1 |
| sweetgum |
Liquidambar spp. |
1 |
| sweetgum |
Liquidambar styraciflua |
1 |
| thin-walled maze polypore |
Daedaleopsis confragosa |
1 |
| Thyronectria canker |
Thyronectria austroamericana |
2 |
| Trametes wood decay |
Trametes hirsuta |
1 |
| trunk rot |
Pholiota populnea |
1 |
| turkey tail |
Trametes versicolor |
1 |
| Verticillium wilts |
Verticillium spp. |
1 |
| wood decay and heart rots of hardwoods |
Fomes spp. |
1 |
| yellow-poplar |
Liriodendron tulipifera |
1 |
