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Showing 1 - 2 results of 2 for search '"Fir"', query time: 0.24s Refine Results
  1. 1
    Vacuum collection of Douglas-fir pollen for supplemental mass pollinations /
    Published 1991
    Subjects: “...Douglas fir Pollen Northwestern States....”
    Government Document Book
  2. 2
    Development of western spruce budworm on Douglas-fir callus tissue /
    by Beckwith, R. C.
    Published 1991
    Subjects: “...Douglas fir Diseases and pests Northwestern States....”
    Government Document Book
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