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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
Trees
Broadleaf
Group 11
Trees, insects and diseases of Canada's forests
Group 11
Alders
Leaves alternate, simple; edges toothed
Hazel alder
Mountain alder
Red alder
Sitka alder
Speckled alder
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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
