chenopodium opulifolium, chenopodium album, achillea millefolium, amaranthus retroflexus, arctium lappa, argentina anserina, artemisia absinthium, bassia scoparia, cichorium intybus, cirsium arvense, echinochloa crus-galli, echium vulgare, euphorbia esula, galinsoga parviflora, hypericum perforatum, inula britannica, lepidium ruderale, lolium perenne, malva neglecta, melilotus albus, melilotus officinalis, poa compressa, polygonum aviculare, raphanus raphanistrum, senecio vernalis, setaria pumila, sisymbrium loeselii, solanum nigrum, xanthium strumarium