| artist's conk |
Ganoderma applanatum |
4 |
| aspen/poplar |
Populus spp. |
5 |
| black rot |
Ceratocystis fimbriata |
4 |
| canker |
|
2 |
| Cenangium canker |
Cenangium singulare |
1 |
| Cenangium cankers |
Cenangium spp. |
3 |
| Cenangium limb canker |
Cenangium ferruginosum |
1 |
| Cryptosphaeria canker |
Cryptosphaeria ligniota |
2 |
| Cryptosphaeria cankers |
Cryptosphaeria spp. |
2 |
| Cytospora canker |
Valsa sordida |
1 |
| Cytospora cankers |
Cytospora spp. |
1 |
| elk |
Cervus canadensis |
1 |
| Helicobasidium fungi |
Helicobasidium spp. |
1 |
| human caused injury |
|
2 |
| Hypoxylon canker of aspen |
Entoleuca mammata |
2 |
| Macrophoma rough bark disease |
Macrophoma tumefaciens |
2 |
| metalic wood-boring beetles |
Agrilus spp. |
1 |
| moose |
Alces alces |
1 |
| Nectria canker |
Nectria spp. |
2 |
| quaking aspen |
Populus tremuloides |
3 |
| rat, vole, mouse |
|
1 |
| scaly pholiota |
Pholiota squarrosa |
1 |
| sooty-bark canker |
Encoelia pruinosa |
2 |
| sunscald |
|
1 |
| trunk rot |
Pholiota adiposa |
2 |