<i>Caloplaca obamae</i> (2 of 2) (IMAGE) University of California - Riverside Caption This is Caloplaca obamae growing on Pleistocene soils on Santa Rosa Island. Credit J. C. Lendemer. 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.