Ragweed makes inroads in Norway (IMAGE) Norwegian University of Science and Technology Caption Ragweed has been on the march in Europe, and now it has found its way to Norway. Fortunately for allergy sufferers, it is not yet widespread in this country. Credit Photo: Vanessa C. Bieker, NTNU Usage Restrictions Only in association with articles about this research and with proper credit. 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.