Inbred Seed Lines of Strigose (IMAGE) U.S. National Science Foundation Caption Inbred seed lines of strigose bird's-foot trefoil are being studied in this California greenhouse. Credit Joel Sachs, University of California at Riverside Usage Restrictions None 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.