Graduate student Sofía Zorrilla-Azcué (UNAM, Morelia) is at the Arboretum for a four-month stay in the Herbarium and Systematics Laboratory. She will be analyzing data from a reduced-representation genomic study (using RAD-seq) into the effects of environment on allele frequency in Quercus insignis, in collaboration with Andrew Hipp and her advisor and Systematics Lab collaborator Hernando Rodríguez Correa.