Invasion Front of Prarie (IMAGE) Botanical Society of America Caption This is remnant tallgrass prairie in North Central Texas, showing the "invasion front" of Sorghum that first prompted the research in Rout et al's study. Credit Courtesy of Marnie Rout, University of North Texas Health Science Center. Usage Restrictions Cite original publication and credit line. License Licensed 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.