solanum tuberosum, sonchus arvensis, achillea millefolium, chenopodium album, cirsium arvense, elymus repens, euphorbia helioscopia, sinapis arvensis, stellaria media, atriplex calotheca, avena sativa, fallopia convolvulus, fumaria officinalis, knautia arvensis, papaver rhoeas, plantago lanceolata, rumex crispus, secale cereale