Shock, C. C., Feibert, E. B. G., Saunders, L. D., Shaw N. L., & Sampangi, R. S. (2013). Eight years evaluating the irrigation requirements for native wildflower seed production. Oregon State University Agricultural Experiment Station, Malheur Experiment Station Annual Report 2012, Department of Crop and Soil Science Ext/CrS 144. p. 138-159.