tussilago farfara, medicago sativa, achillea millefolium, arrhenatherum elatius, daucus carota, equisetum arvense, erigeron annuus, cirsium arvense, crepis biennis, heracleum sphondylium, lolium perenne, pastinaca sativa, plantago lanceolata, ranunculus repens, silene vulgaris, trifolium repens, vicia cracca, cerastium holosteoides, cornus sanguinea, rumex crispus, solidago canadensis