"""Species""";name of the species """Study""";"source of the root foraging precision data; studies: Weiser, M. et al. 2016. Root Foraging Performance and Life-History Traits. - Frontiers in Plant Science 7: 779.; Keser, L. H. et al. 2014. Invasive clonal plant species have a greater root-foraging plasticity than non-invasive ones. - Oecologia 174: 1055–1064.; Keser, L. H. et al. 2015. Herbaceous plant species invading natural areas tend to have stronger adaptive root foraging than other naturalized species. - Frontiers in Plant Science 6: 273.; " """Mycorrhizal status""";"collected from the ""FungalRoot: Global online database of plant mycorrhizal associations"" (Soudzilovskaia, N. A. et al. 2020. FungalRoot: global online database of plant mycorrhizal associations. - New Phytol. 227: 955–966.); AM = obligatory arbuscular mycorrhiza, AM/NM = facultative arbuscular mycorrhiza, NM = non-mycorrhizal species" """Family""";family of the species (taxonomy unit) """Root foraging precision""";"mean root foraging precision of species calculated as log(biomass of root in nutrient rich patch/biomass of roots in nutrient poor patch); data extracted from the four studies (""Study"")" """Intensity of mycorrhizal colonization""";"extracted from the ""FungalRoot"" database; the intensity of mycorrhizal colonization expresses the mean percentage of root system colonized by mycorrhizal fungi in a species, these data ranged from 0 to 100%" """SLA""";"mean specific leaf area, extracted from the ""LEDA Traitbase"" (mm2/mg); Kleyer, M. et al. 2008. The LEDA Traitbase: a database of life-history traits of the Northwest European flora. - Journal of Ecology 96: 1266–1274." """Root diameter""";"mean root diameter (cm) of species extracted from the ""Global root traits (GRooT) database"" and ""Alberta grassland plant trait database"" (Cahill, J. F. 2020. Alberta grassland plant trait data. - ERA; Guerrero-Ramirez, N. R. et al. 2021. Global root traits (GRooT) database. - Glob. Ecol. Biogeogr. 30: 25–37.) " """N content""";"mean nitrogen content (mg/g) of species extracted from the ""Global root traits (GRooT) database"" and ""Alberta grassland plant trait database"" (Cahill, J. F. 2020. Alberta grassland plant trait data. - ERA; Guerrero-Ramirez, N. R. et al. 2021. Global root traits (GRooT) database. - Glob. Ecol. Biogeogr. 30: 25–37.) " """RTD""";"mean root tissue density (g/cm3) of species extracted from the ""Global root traits (GRooT) database"" and ""Alberta grassland plant trait database"" (Cahill, J. F. 2020. Alberta grassland plant trait data. - ERA; Guerrero-Ramirez, N. R. et al. 2021. Global root traits (GRooT) database. - Glob. Ecol. Biogeogr. 30: 25–37.) " """SRL""";"mean specific root length (m/g) of species extracted from the ""Global root traits (GRooT) database"" and ""Alberta grassland plant trait database"" (Cahill, J. F. 2020. Alberta grassland plant trait data. - ERA; Guerrero-Ramirez, N. R. et al. 2021. Global root traits (GRooT) database. - Glob. Ecol. Biogeogr. 30: 25–37.) " ; For more details about data processing see Matherials and Methods part of the paper.;