False Bromes' Locations in Oregon (IMAGE) University of Oregon Caption The map shows locations of false brome (Brachypodium sylvaticum) in Oregon. Most places are within the Willamette Valley. Credit University of Oregon Usage Restrictions None 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.