| artist's conk |
Ganoderma applanatum |
2 |
| black knot |
Apiosporina morbosa |
2 |
| cedar-apple rust |
Gymnosporangium juniperi-virginianae |
5 |
| clinker polypore |
Inonotus obliquus |
1 |
| Dutch elm disease (novi-ulmi) |
Ophiostoma novo-ulmi |
1 |
| Nectria canker |
Nectria galligena |
1 |
| Neonectria canker |
Neonectria galligena |
4 |
| polypore fungus |
Polyporus alveolaris |
3 |
| smooth patch of oak |
Aleurodiscus oakesii |
2 |
| sulfur shelf |
Laetiporus sulphureus |
2 |
| veiled polypore |
Cryptoporus volvatus |
1 |
| white heartwood rot |
Phellinus tremulae |
1 |
| wood ear |
Auricularia auricula-judae |
3 |