- Oregon State University. Extension Service5
- U.S. International Biological Program. Coniferous Forest Biome4
- Ugolini, Fiorenzo C.4
- University Of Washington4
- Brown, Barbara G.3
- Hart, John M. (John Mervyn), 1947 3
- Istok, Jonathan D.3
- Katz, Richard W.3
- Murphy, Allan H.3
- Boersma, Larry2
- Singer, Michael J. (Michael John), 1945 2
- Stevens, R.2
- Sullivan, Dan M. (Dan Matthew), 1954 2
- Altland, James Elmer, 1973 1
- Alto, Jalmer V.1
- Andrews, N. (Nick)1
- Bell, Neil (Neil Charles), 1961 1
- Bockheim, James G.1
- Chandra, Purna1
- Cogger, Craig George, 1950 1