Ferrell, G. T. 1986b. Using indicator plants to assess susceptibility of California red fir and white fir to the fir engraver beetle. United States Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station (Berkeley, California), Research Note PSW-388. 5 p.
Ferrell 1986
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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