Locations (IMAGE) Science China Press Caption Locations of O. rufipogon (blue) and O. nivara (red) populations used in this study. The green star and cross indicate the locality where the common garden experiment and the artificial crossing were performed, respectively. Credit ©Science China Press Usage Restrictions Use with credit. 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.