artemisia vulgaris, elymus repens, erigeron canadensis, sisymbrium loeselii, lolium perenne, onopordum acanthium, poa pratensis, urtica dioica, achillea millefolium, anthriscus sylvestris, arctium lappa, atriplex prostrata, atriplex sagittata, berteroa incana, bromus hordeaceus, bromus sterilis, bromus tectorum, capsella bursa-pastoris, carduus acanthoides, chenopodium album, cichorium intybus, cirsium arvense, cirsium vulgare, convolvulus arvensis, dactylis glomerata, daucus carota, deschampsia cespitosa, descurainia sophia, echium vulgare, euphorbia peplus, hordeum murinum, lactuca serriola, lamium album, lepidium ruderale, medicago lupulina, oenothera biennis, pastinaca sativa, plantago lanceolata, plantago major, reseda lutea, silene latifolia, solanum nigrum, sonchus oleraceus, tanacetum vulgare, trifolium repens, tripleurospermum inodorum, tussilago farfara, urtica urens