artemisia vulgaris, tanacetum vulgare, arctium lappa, polygonum aviculare, achillea millefolium, amaranthus retroflexus, atriplex patula, cirsium vulgare, convolvulus arvensis, coronilla varia, deschampsia cespitosa, erigeron canadensis, melilotus officinalis, poa compressa, rumex obtusifolius, solidago canadensis, urtica dioica, arrhenatherum elatius, berteroa incana, centaurea jacea, cirsium arvense, dactylis glomerata, lamium album, linaria vulgaris, medicago lupulina, picris hieracioides, silene vulgaris