A. Rodgers (IMAGE) University of North Carolina at Greensboro Caption UNCG Biology graduate student Shelby Williford and associate professor Kevin Wilcox measure characteristics of Panicum maximum (common name: Guinea grass) in a savanna grassland in Kruger National Park, South Africa. Photo credit: A. Rodgers Credit A. Rodgers Usage Restrictions None License Original content 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.