| Diplodia blight |
Sphaeropsis sapinea |
17 |
| Gynosporanium rusts |
Gymnosporangium spp. |
2 |
| hemlock needle rust |
Pucciniastrum vaccinii |
1 |
| larch needle cast |
Hypodermella laricis |
1 |
| lodgepole pine needle cast |
Lophodermella concolor |
1 |
| needle blight of cedar |
Didymascella thujina |
2 |
| needle cast |
Bifusella linearis |
1 |
| needle cast |
Bifusella saccata |
1 |
| needle rust |
Coleosporium senecionis |
1 |
| Pestalotiopsis leaf spot |
Pestalotiopsis spp. |
4 |
| Phyllosticta leaf spots |
Phyllosticta spp. |
6 |
| pine needle rusts |
Coleosporium spp. |
1 |
| poplar rust |
Melampsora medusae |
1 |
| Rhabdocline needlecasts |
Rhabdocline spp. |
1 |
| Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
1 |
| Sirococcus blight of conifers |
Sirococcus conigenus |
1 |