Intraspecific functional trait variation and performance of Populous tremuloides
A commentary on « Intraspecific variation in root and leaf traits and leaf-root trait linkages in eight aspen demes (Populus tremula and P. tremuloides » by Hajek, P., Hertel, D., and Leushner C. (2013) Front. Plant Sci. doi: 10.3389/fpls.2013.00415