Map of High-Priority Preservation Sites (IMAGE) University of California - Berkeley Caption The top 50 highest-priority sites for preserving California's native plants under three measures of biodiversity: genetic uniqueness (divergence), historic speciation rate (diversification) and independent evolutionary history (survival). Areas high in all three measures are in black. Credit Brent Mishler lab, UC Berkeley 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.