anchusa officinalis, achillea collina, echium vulgare, onopordum acanthium, arabidopsis arenosa, argentina anserina, arrhenatherum elatius, artemisia absinthium, bromus hordeaceus, cerastium arvense, cirsium arvense, daucus carota, equisetum arvense, erigeron canadensis, galium album, holcus lanatus, lathyrus pratensis, leucanthemum vulgare, lolium perenne, lotus corniculatus, oenothera biennis, pilosella officinarum, poa compressa, poterium sanguisorba, reseda lutea, saponaria officinalis, tripleurospermum inodorum, urtica dioica, verbascum densiflorum