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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 Helotiales
Atropellis canker
Cedar needle blight
Douglas-fir needle blight
Heart rot
Inkspot of aspen
Scleroderris canker North American strain
Snow blight
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Trees
Index
Broadleaf
Conifers
Insects
Index
General classification
Diet and feeding behaviour
Diseases
Index
General classification
Types of damage
Soil fungi
Using images
