Hempy-Mayer, K., Pyke, D.A., 2008, Defoliation effects on Bromus tectorum seed production- Implications for grazing: Rangeland Ecology and Management, v. 61, p. 116-123. Catalog No: 1667
U.S. Department of Interior, U.S. Geological Survey Forest and Rangeland Ecosystem Science Center URL: http://fresc.usgs.gov/ Contact: fresc_webmaster@usgs.gov Last Update: February 10, 2003 USGS Disclaimer || Accessibility