Seattle Arboretum-3 (image) University of Washington Share Print E-Mail Caption A man examines a fern and other plants within Washington Park Arboretum in Seattle, Washington. Credit University of Washington Usage Restrictions Photo credit required. Share Print E-Mail 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.