<i>Saxifraga sempervivum</i> (IMAGE) University of Cambridge Caption This is Saxifraga sempervivum -- a species of alpine plant in Cambridge University Botanic Gardens that scientists discovered was 'producing pure vaterite'. Credit Paul Aston Usage Restrictions Please credit 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.