Extreme Weather Events (IMAGE) Helmholtz Association Caption Extreme weather events have a greater effect on flora than previously presumed. Using experimental plots in Bayreuth the researchers generated artificial heavy rain and drought in their experiment and the effects on ten different plant species were observed accordingly over a two-year period. Credit Dr. Juergen Kreyling /Universitaet Bayreuth 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.