<i>Yucca brevifolia</i> Tikaboo (IMAGE) Donald Danforth Plant Science Center Caption This image shows Yucca brevifolia Tikaboo, June 2014. Credit Photo credit to Christopher Smith, Courtesy of Willamette University 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.