van der Colff D., Dreyer L. L., Valentine A. & Roets F. (2017) Comparison of nutrient cycling abilities between the invasive Acacia mearnsii and the native Virgilia divaricata trees growing sympatrically in forest margins in South Africa South African Journal of Botany 111: 358–364

Keywords: Acacia mearnsii, Biological nitrogen fixation, Nutrient cycling, Virgilia divaricata, δ15N/δ14N isotope ratio