Lichens (2 of 2) (IMAGE) Field Museum Caption Lichens in Taiwan. The lichens alive today largely evolved and flourished in the time following the extinction of the dinosaurs. Credit (c) Jen-Pan Huang Usage Restrictions Please include photo 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.