melilotus officinalis, melilotus albus, achillea millefolium, arrhenatherum elatius, crepis biennis, daucus carota, medicago lupulina, trifolium repens, tussilago farfara, artemisia vulgaris, cirsium arvense, hypericum perforatum, lolium perenne, lotus corniculatus, poa compressa, rumex crispus, solidago canadensis, tripleurospermum inodorum, epilobium collinum