by James S. Hadfield
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Douglas-fir dwarf mistletoe
Laminated root rot
1992 Umatilla and Wallowa-Whitman Nation...
Root diseases in Oregon and Washington c...
Population dynamics of the major North A...
Day-to-day survival of late-instar weste...
Cooperative western spruce budworm
The western spruce budworm dynamics mode...
Reldan insecticide field-tested on weste...
Dispersal of second-instar Western Spruc...