- Oregon State University179
- Oregon State University. Extension Service49
- Oregon State University. Agricultural Experiment Station47
- Oregon State University. College Of Forestry40
- U.S. International Biological Program. Coniferous Forest Biome25
- Et Al.24
- Oregon State University. Department Of Horticulture21
- University Of Washington21
- Brewer, Linda J.20
- Duncan, Andrew A.19
- Andrews, N. (Nick)18
- Azarenko, A. N. (Anita Nina)17
- Bondi, Michael C.17
- Burt, Lawrence A.17
- Castagnoli, S.17
- Chilton, Mike17
- Cook, Thomas W.17
- Fletcher, Richard A.17
- Hatfield Marine Science Center17
- Karplus, P. Andrew17