crepis foetida, lolium perenne, artemisia vulgaris, cichorium intybus, cirsium arvense, daucus carota, achillea millefolium, ambrosia artemisiifolia, anthemis arvensis, arctium lappa, arrhenatherum elatius, berteroa incana, centaurea jacea, chaenorhinum minus, clematis vitalba, convolvulus arvensis, convolvulus cantabrica, cuscuta epithymum, echium vulgare, eragrostis minor, eupatorium cannabinum, fallopia convolvulus, hordeum murinum, hypericum perforatum, lepidium virginicum, linaria vulgaris, lotus corniculatus, medicago sativa, melilotus albus, melilotus officinalis, pastinaca sativa, petrorhagia saxifraga, picris hieracioides, plantago lanceolata, plantago major, poa compressa, saponaria officinalis, senecio vulgaris, torilis arvensis, trifolium pratense