<i>Salix pulchra</i> (IMAGE) Marine Biological Laboratory Caption Woody shrubs such as willow (Salix pulchra) may eventually dominate the arctic tundra as the climate warms. Credit Chris Neill Usage Restrictions Please use with proper credit 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.