chenopodium album, amaranthus powellii, echinochloa crus-galli, galinsoga parviflora, tripleurospermum inodorum, amaranthus retroflexus, artemisia vulgaris, aethusa cynapium, atriplex patula, capsella bursa-pastoris, erysimum cheiranthoides, galinsoga quadriradiata, lipandra polysperma, matricaria discoidea, persicaria lapathifolia, plantago major, rumex obtusifolius, sonchus oleraceus, trifolium pratense, senecio viscosus, veronica persica