galium mollugo, lactuca serriola, oenothera biennis, verbascum blattaria, verbascum thapsus, achillea millefolium, anchusa azurea, arctium minus, artemisia vulgaris, barbarea vulgaris, brassica nigra, convolvulus arvensis, cuscuta europaea, echium vulgare, hypericum perforatum, persicaria minor, persicaria mitis, plantago lanceolata, populus nigra, rumex obtusifolius, salix purpurea, saponaria officinalis, setaria pumila, silene vulgaris, sonchus oleraceus