pop up poplar map (IMAGE) Penn State Caption This map shows the locations of the 18 arboreta and universities in the PopUp Poplars partnership, funded by the National Science Foundation. The huge experiment is being spearheaded by Penn State, Virginia Tech, the University of Vermont and the University of Maryland. Lead researcher Jill Hamilton, director of the Schatz Center for Tree Molecular Genetics in the College of Agricultural Sciences, is shown in the inset. Credit Jill Hamilton/Penn State Usage Restrictions non commercial use only License Original 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.