Powdery Mildew Penetrates the Barley Cell (IMAGE) University of Adelaide Caption This is a scanning electron microscope image of a fungal haustorium (Blumeria graminis f. sp. hordei) taken from inside the barley epidermal cell. Credit Image by Jamil Chowdhury, University of Adelaide Usage Restrictions Only to be used in association with this article 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.