Shock, C.C.; Ishida, J.; Feibert, E. 2008. Native wildflowers grown for seed production show tolerance to conventional postemergence herbicides. In: Shock, C.C., ed. Malheur Experiment Station Annual Report 2007. Special Report 1087. Corvallis, OR: Oregon State University: 197-203.

Shock, C.C.; Ishida, J.; Feibert, E. 2008. Native wildflowers grown for seed production show tolerance to conventional postemergence herbicides. In: Shock, C.C., ed. Malheur Experiment Station Annual Report 2007. Special Report 1087. Corvallis, OR: Oregon State University: 197-203.