Lex and Adam, two undergraduate researchers in the lab, were chosen to receive research awards from the Undergraduate Research Opportunities Program at UMN. Lex is working with John on a resurrection experiment to test whether adaptation occurred in C. xantiana populations during the California megadrought. Adam is working with Amanda to quantify differentiation among common ragweed populations across the St. Louis metropolitan area, as a companion to work examining heterogeneity among populations in the Minneapolis-St. Paul metro area.