Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Stevens, R. E. 1957b. Insect caused damage to 1956 Douglas-fir cone crop in California. United States Department of Agriculture, Forest Service, California Forest and Range Experiment Station, Forest Research Notes 120. 2 p.
This page uses cascading style sheets (CSS). It should display correctly using current versions of all major browsers.