Table S1. Correlation matrix of bioclimatic values (Pearson's R2) within the study area. bio1, annual mean temperature; bio2, mean diurnal range [mean of monthly (maximum temp – minimum temp)]; bio3, isothermality (bio2/bio7) (* 100); bio4, temperature seasonality (SD × 100); bio5, maximum temperature of warmest month; bio6, minimum temperature of coldest month; bio7, temperature annual range (bio5 – bio6); bio8, mean temperature of wettest quarter; bio9, mean temperature of driest quarter; bio10, mean temperature of warmest quarter; bio11, mean temperature of coldest quarter; bio12, annual precipitation; bio13, precipitation of wettest month; bio14, precipitation of driest month; bio15, precipitation seasonality (coefficient of variation); bio16, precipitation of wettest quarter; bio17, precipitation of driest quarter; bio18, precipitation of warmest quarter; bio19, precipitation of coldest quarter.

Table S2. Area under the curve (AUC) values per model developed with species records filtered in environmental space in order to reduce possible autocorrelation effects, niche overlap, similarity and identity in terms of Schoener's index (D) values and assessment of niche similarity and equivalency via randomization tests (see text). nat, native; inv, invasive; ns, not significant. Values in which observed (OBS) overlap is higher than the null distribution are shown in bold and values in which overlap is lower are in italics. Note that AUC values are only comparable within the native or invasive samples because they depend on the number of records used for computations and the extent of the study area.

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