Haley, S. D., Lazar, M. D., Quick, J. S., Johnson, J. J., Peterson, G. L., Stromberger, J. A., Clayshulte, S. R., Clifford, B. L., Pester, T. A., Nissen, S. J., Westra, P. H., Peairs, F. B. and Rudolph, J. B. 2003. Above winter wheat. Can. J. Plant Sci. 83: 107-108. Above, a hard red winter wheat (Triticum aestivum L. em. Thell.), is adapted for dryland production in the west central Great Plains of the United States. It carries a nontransgenic source of tolerance to imidazolinone herbicides derived by mutation induction with sodium azide. Above was developed cooperatively by the Colorado and Texas Agricultural Experiment Stations and released to seed producers in September 2001.