Figure 1 (IMAGE) Institute for Basic Science Caption Top) Aster koraiensis and Bottom) Codonopsis lanceolata, which are native plants in South Korea. Credit Institute for Basic Science Usage Restrictions Attribution Required 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.