amaranthus retroflexus, chenopodium album, lolium perenne, achillea millefolium, atriplex patula, capsella bursa-pastoris, convolvulus arvensis, crepis biennis, erigeron canadensis, lepidium ruderale, linaria vulgaris, pastinaca sativa, plantago major, setaria viridis, silene latifolia, sisymbrium loeselii, tripleurospermum inodorum