He, F., Arce, A. L., Schmitz, G., Koornneef, M., Novikova, P., Beyer, A., et al. (2016). The Footprint of Polygenic Adaptation on Stress-Responsive Cis-Regulatory Divergence in the Arabidopsis Genus. Molecular Biology and Evolution, 33(8), 2088-2101. doi:10.1093/molbev/msw096.