Coast Redwood (IMAGE) Arizona State University Caption A coast redwood (Sequoia sempervirens) forest landscape at Mt. Tam in Marin County, California with redwood trees mapped from ASU Global Airborne Observatory imaging spectroscopy shown in light blue. Credit Global Airborne Observatory, ASU Center for Global Discovery and Conservation Science. 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.