Table S1 Information about study sites

Table S2 Settings used to develop partial least squares regression models to relate reflectance spectra from leaf samples to chemical traits

Table S3 Relationships between binary traits and latitude

Table S4 Relationships between species abundance and each of the traits included in this study

Table S5 Results of phylogenetic analyses

Table S6 Analyses including a term for continent

Methods S1 Selection of sites, study species and individuals, near-infrared spectroscopy methods and phylogenetic analyses.

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