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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
Intemperiae Frigoris
Frost damage of poplars
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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
