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Remediation with plants is a technology used to decrease soil or water contamination. In this study we assessed the remediation potential of two weed species (   Chenopodium   album    and    Tripleurospermum   inodorum   ) in a moderately metal-contaminated area. Metal concentrations were studied in roots, stems and leaves, in order to assess correlations in metal concentrations between those in soil and plants. Furthermore, we calculated bioaccumulation factor ( BAF ), bioconcentration factor ( BCF ) and translocation factor ( TF ) values to study the accumulation of metals from soil to plants and translocation within plants. We found correlation in metal concentrations between soil and plants. The metal accumulation potential was low in both species, indicating low  BAF  and  BCF  values. In contrast, high  TF  values were found for Mn, Ni, Sr, Zn, Ba, Fe, Cu and Pb in    C.   album   , and for Fe, Mn, Ni, Zn and Sr in    T.   inodorum   . Our results demonstrated that the potential of    C.   album    and    T.   inodorum    might be limited in phytoextraction processes; however, when accumulated, metals are successfully transported to aboveground plant organs. Thus, to achieve the efficient remediation of metal-contaminated soils, removal of the aboveground plant organs is recommended, by which soil disturbance can also be avoided.

Remediation potential of early successional pioneer species Chenopodium album and Tripleurospermum inodorum