- Oregon State University. Extension Service211
- Oregon State University157
- Pscheidt, Jay W.59
- Walton, Vaughn M.31
- Dalton, Meghan27
- Et Al.27
- Pacific Northwest Insect Management Conference27
- Peachey, Ed26
- Wiman, Nik G.24
- Peachey, Ronald Edward21
- Hart, John M. (John Mervyn), 1947 20
- Oregon State University. College Of Forestry20
- Washington State University. Extension20
- Olsen, Jeff L.19
- Castagnoli, S.17
- Hatfield Marine Science Center17
- Oregon State University. Agricultural Experiment Station17
- Pacific Northwest Cooperative Extension17
- Fleishman, Erica16
- University Of Idaho. Extension16