anchusa officinalis, artemisia vulgaris, sisymbrium loeselii, arctium minus, convolvulus arvensis, diplotaxis muralis, echium vulgare, elymus repens, erigeron annuus, poa compressa, reseda lutea, achillea millefolium, capsella bursa-pastoris, carduus crispus, chenopodium album, matricaria discoidea, medicago lupulina, medicago sativa, melilotus officinalis, polygonum aviculare, populus nigra, roemeria argemone, tanacetum vulgare