Plantago lanceolata (IMAGE) Washington University in St. Louis Caption Plantago lanceolata growing in a field in Wisconsin. Credit Penczykowski lab, Washington University in St. Louis Usage Restrictions For editorial purposes 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.