Grains from Weedy and Domesticated Wheat Species (image) Leibniz Institute of Plant Genetics and Crop Plant Research Share Print E-Mail Caption Comparison of grains from weedy and domesticated wheat species. Samples originate from the herbarium of the Federal Ex situ Gene Bank at the IPK. Credit Julie Himpe/IPK Usage Restrictions None Share Print E-Mail 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.