anchusa officinalis, artemisia vulgaris, carduus crispus, elymus repens, poa compressa, tanacetum vulgare, arctium minus, ballota nigra, convolvulus arvensis, echium vulgare, erigeron annuus, lycopsis arvensis, medicago lupulina, reseda lutea, sisymbrium loeselii, solidago canadensis, urtica dioica, achillea millefolium, capsella bursa-pastoris, daucus carota, diplotaxis muralis, fallopia convolvulus, matricaria discoidea, medicago sativa, plantago lanceolata, trifolium repens, viola arvensis