Xie, Y., Shen, Z., Camarero, J. J., PeƱuelas, J., Wang, X., Li, J., Rao, W., Chen, X., Zhao, F., Feng, X. (2025). Keys to the global treeline formation: Thermal limit for its position and moisture for the taxon-specific variation. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.2504685122