Johnson, D. W., L. C. Yarger, D. C. Minnemeyer, and V. E. Pace. 1976. Dwarf mistletoe as a predisposing factor for mountain pine beetle attack of ponderosa pine in the Colorado Front Range. United States Department of Agriculture, Forest Service, Rocky Mountain Region, State and Private Forestry, Technical Report R2-4. 7 p.
Johnson et al. 1976
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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