| American chestnut |
Castanea dentata |
4 |
| artist's conk |
Ganoderma applanatum |
1 |
| ash root rot |
Scytinostroma galactinum |
1 |
| Asian longhorned beetle |
Anoplophora glabripennis |
1 |
| aspen/poplar |
Populus spp. |
4 |
| beech bark disease |
Nectria coccinea |
1 |
| beech scale |
Cryptococcus fagisuga |
2 |
| black knot |
Apiosporina morbosa |
1 |
| chestnut blight or canker |
Cryphonectria parasitica |
10 |
| Dutch elm disease (novi-ulmi) |
Ophiostoma novo-ulmi |
1 |
| Elm yellows |
Phytoplasma |
1 |
| emerald ash borer |
Agrilus planipennis |
5 |
| English oak |
Quercus robur |
1 |
| grand eucalyptus |
Eucalyptus grandis |
1 |
| gypsy moth |
Lymantria dispar |
2 |
| hophornbeam |
Ostrya virginiana |
2 |
| melaleuca |
Melaleuca quinquenervia |
1 |
| Phytophthora basal canker |
Phytophthora palmivora |
1 |
| planting |
|
1 |
| quaking aspen |
Populus tremuloides |
1 |
| skidding |
|
1 |
| slashing and bucking |
|
1 |
| sudden oak death |
Phytophthora ramorum |
1 |
| tuliptree scale |
Toumeyella liriodendri |
1 |
| turbinella oak |
Quercus turbinella |
1 |
| wych elm |
Ulmus glabra |
2 |
