Heckman, R. W., John, G. P., Bonnette, J. E., Campitelli, B. E., Fritschi, F. B., Lowry, D. B., Fay, P. A., Juenger, T. E. (2026). Correlational selection and genetic architecture shape the evolution of the leaf economics spectrum in a perennial grass. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.2515134123