melilotus albus, achillea millefolium, arrhenatherum elatius, artemisia vulgaris, bromus tectorum, cirsium arvense, echium vulgare, elymus repens, lolium perenne, medicago lupulina, silene vulgaris, tussilago farfara, urtica dioica, amaranthus retroflexus, arctium lappa, berteroa incana, capsella bursa-pastoris, carduus acanthoides, cichorium intybus, cirsium vulgare, convolvulus arvensis, crepis biennis, daucus carota, euphorbia tommasiniana, fallopia convolvulus, lactuca serriola, linaria vulgaris, melilotus officinalis, oenothera biennis, picris hieracioides, plantago lanceolata, poa compressa, poa pratensis, tripleurospermum inodorum