Panno Team (image) University of Illinois at Urbana-Champaign Share Print E-Mail Caption The University of Illinois-led study included researchers from the Prairie Research Institute. Pictured, from left: Walton R. Kelly, John Scott, Nancy Holm, Wei Zheng and lead author Samuel V. Panno. Credit Photo by Fred Zwicky Usage Restrictions Photo may be used with stories related to this release. Credit is required. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.