Pettinger, L. F., and R. E. Dolph. 1971. Oregon and Washington (R-6). Pages 6-9 in A. E. Landgraf, Forest insect conditions in the United States, 1970. United States Department of Agriculture, Forest Service. vi + 44 p.
Pettinger & Dolph 1971
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
|
Contact Webmaster | ©2008 Anthony Cognato
This page uses cascading style sheets (CSS). It should display correctly using current versions of all major browsers.