artemisia vulgaris, carduus acanthoides, erigeron canadensis, medicago lupulina, tripleurospermum inodorum, tussilago farfara, achillea millefolium, tanacetum vulgare, anthriscus sylvestris, arctium lappa, atriplex patula, atriplex tatarica, berteroa incana, bromus tectorum, centaurea jacea, chenopodium album, cirsium vulgare, convolvulus arvensis, crepis tectorum, daucus carota, dipsacus fullonum, echium vulgare, lolium perenne, melilotus officinalis, oenothera biennis, onopordum acanthium, phleum pratense, picris hieracioides, plantago major, poa compressa, poa pratensis, polygonum aviculare, saponaria officinalis, silene latifolia, vicia villosa