Syngenta would like to acknowledge the following for their contribution to the development of this turf guide: Matt Sousek, University of Nebraska; North Carolina State University TurfFiles; Dr. John Boyd; Dr. Robert Walker; Dr. Scott McElroy; Dr. Roch Gaussion; The Ohio State University; Matthew Merritt; WSSA; Bert McCarty; Fred Yelverton; Tim Murphy and the VA Tech ID Guide.