atriplex tatarica, helianthus annuus, chenopodium album, convolvulus arvensis, melilotus albus, polygonum aviculare, amaranthus retroflexus, artemisia absinthium, capsella bursa-pastoris, cirsium arvense, echinochloa crus-galli, erigeron canadensis, lappula squarrosa, setaria pumila, sisymbrium loeselii, trifolium pratense