Contributor
- Cronn, Richard C.2
- Frazier, W. A.2
- Bailey, C. Donovan1
- Betts, Matthew1
- Christy, John1
- Fishbein, Mark1
- Griffiths, Phillip1
- Hart, John1
- Jones, F. Andrew1
- Liston, Aaron1
- Mccain, Cindy1
- Mckenna, Lindsay1
- Olsen, Amy1
- Oregon Natural Heritage Program1
- Oregon State University. Extension Service1
- Pe'eri, Shachak1
- Porch, Timothy1
- Roberts, Rachel1
- Straub, Shannon C. K.1
- Tyler, Brett M.1