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Natural Resources Canada
Our Natural Resources
Forests and forestry
The Canadian Forest Service
Forest resources
Trees, insects and diseases of Canada's forests
Diseases
Ascomycota rhytismatales
Discocaninia canker
Elytroderma needle cast
Fir needle cast (
Isthmiella abietis
)
Fir needle cast (
Isthmiella quadrispora
)
Fir needle cast (
Lirula abietis-concoloris
)
Fir needle cast (
Lirula punctata
)
Fir needle cast (
Lophodermium decorum
)
Fir needle cast (
Lophodermium lacerum
)
Larch needle cast
Needle cast
Needle cast (
Bifusella linearis
)
Needle cast (
Lirula macrospora
)
Needle cast (
Lophodermium pinastri
)
Needle cast (
Lophodermium seditiosum
)
Pine needle cast
Pine needle cast
Speckled tar spot
Spruce needle cast (
Lophodermium piceae
)
Spruce needle cast (
Lophodermium uncinatum
)
Tar spot
Tar spot (
Rhytisma salicinum
)
Tar spot needle cast
True fir blight
Section menu
Trees
Index
Broadleaf
Conifers
Insects
Index
General classification
Diet and feeding behaviour
Diseases
Index
General classification
Types of damage
Soil fungi
Using images