Creator
- Davis, Curtiss O.25
- Gao, Bo Cai6
- Oregon State University. Agricultural Experiment Station6
- Bissett, W. Paul5
- Compton, O. C. (Oliver Cecil), 1903 5
- Lee, Zhongping5
- Arnone, Robert A.4
- Carder, Kendall L.4
- Kudela, Raphael M.4
- Mellenthin, Walter M., 1920 4
- Montes, Marcos J.4
- Remmert, Lemar Fred, 1916 4
- Downes, T. Valerie3
- Kohler, David D. R.3
- Leathers, Robert A.3
- Ryan, John P.3
- Tufillaro, Nicholas B.3
- Wasco County (Or.)3
- Abbott, Mark R.2
- Arnone, Robert2