Most Polar Willow Growth Is Below Ground (IMAGE) Norwegian University of Science and Technology Caption Morgan Bender (pictured) helped Mathilde Le Moullec excavate polar willows during the summer of 2015 on Svalbard. This little arctic shrub is an important component of the diet of Svalbard reindeer. Credit Photo: Mathilde Le Moullec/NTNU Usage Restrictions with proper credit and only in association with articles about this research 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.