| brown felt blight |
Herpotrichia juniperi |
3 |
| cherry-spruce rust |
Pucciniastrum areolatum |
2 |
| Chrysomyxa rust of spruce |
Chrysomyxa ledi |
1 |
| Diplodia blight |
Sphaeropsis sapinea |
1 |
| Dothistroma needle blight |
Mycosphaerella pini |
2 |
| Douglas-fir needlecast |
Rhabdocline pseudotsugae |
7 |
| fir-fireweed rust |
Pucciniastrum epilobii |
5 |
| Guignardia blotch of buckeyes and horsechestnuts |
Guignardia aesculi |
3 |
| juniper-pear rust |
Gymnosporangium sabinae |
4 |
| leaf blister of birch |
Taphrina betulina |
1 |
| Marssonina leaf spot |
Marssonina salicicola |
2 |
| mountain ash juniper rust |
Gymnosporangium cornutum |
2 |
| needle cast |
Lophodermium juniperinum |
1 |
| needlecast |
Meloderma desmazieri |
4 |
| oak anthracnose |
Apiognomonia errabunda |
1 |
| Phoma blights |
Phoma spp. |
1 |
| pine needle cast |
Lophodermium pinastri |
8 |
| pine needle rusts |
Coleosporium spp. |
5 |
| powdery mildew |
Phyllactinia guttata |
1 |
| powdery mildew of oak |
Microsphaera alphitoides |
3 |
| Repetophragma fungus |
Repetophragma wroblewski |
1 |
| Rhizosphaera needle cast |
Rhizosphaera spp. |
1 |
| spruce needle cast |
Lophodermium piceae |
2 |
| spruce needle cast/blight |
Lirula macrospora |
2 |
| Swiss needle cast |
Phaeocryptopus gaeumannii |
4 |
| tar spots |
Rhytisma spp. |
1 |
| twist rust |
Melampsora populnea |
6 |
