Assertion: phomopsis canker | /r/CapableOf | find on douglas-fir
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text: Some of the more common cankers are Cytospora canker found on spruce, pine, poplars and willows, Phomopsis canker found on juniper, Russian olive, Douglas-fir, and arborvitae, and Nectria canker found on honey locust, oak, and maple.