beta vulgaris, helminthotheca echioides, solanum nigrum, avena fatua, capsella bursa-pastoris, chenopodium album, convolvulus arvensis, cuscuta europaea, cynodon dactylon, daucus carota, lotus corniculatus, medicago lupulina, medicago sativa, persicaria lapathifolia, rumex crispus, setaria viridis, sonchus oleraceus, sorghum halepense, veronica hederifolia, achillea millefolium, parapholis cylindrica