Leaf Microbial Community (IMAGE) University of California - Berkeley Caption Plant leaves harbor a diverse microbial community, as seen in this plate of agar stamped with the leaf of a greenhouse-grown tomato plant. After incubating for two days, the bacteria from the leaf grew into visible colonies. Credit Photo courtesy of Britt Koskella lab 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.