text: malva sylvestris, anacyclus clavatus, centaurea calcitrapa, convolvulus arvensis, hordeum murinum, bromus diandrus, lolium perenne, plantago lanceolata, potentilla reptans, rumex crispus, tordylium maximum, achillea millefolium, avena barbata, bromus sterilis, cichorium intybus, cynoglossum creticum, daucus carota, erigeron canadensis, geranium dissectum, medicago sativa, phleum pratense, poa pratensis, rumex pulcher, sisymbrium officinale, trifolium pratense, verbena officinalis