argentina anserina, anthemis cotula, plantago lanceolata, poa annua, capsella bursa-pastoris, lolium perenne, plantago major, polygonum aviculare, arctium tomentosum, matricaria discoidea, medicago lupulina, trifolium repens, achillea millefolium, artemisia absinthium, bromus japonicus, potentilla reptans, senecio vulgaris, urtica dioica