Fig. 2
Boxplots of As and Tl concentrations (in mg kg−1) in the leaves of Viola allchariensis, V. arsenica and V. tricolor subsp. macedonica from A. herbarium and B. field samples.
Boxplots of As and Tl concentrations (in mg kg−1) in the leaves of Viola allchariensis, V. arsenica and V. tricolor subsp. macedonica from A. herbarium and B. field samples.
