text: zea mays, cucurbita pepo, galinsoga parviflora, agrostis gigantea, chenopodium album, convolvulus arvensis, digitaria ischaemum, lipandra polysperma, persicaria lapathifolia, ranunculus repens, setaria pumila, achillea millefolium, aphanes arvensis, arenaria serpyllifolia, capsella bursa-pastoris, carex hirta, cirsium arvense, daucus carota, echinochloa crus-galli, erigeron canadensis, fallopia convolvulus, helianthus annuus, lamium purpureum, legousia speculum-veneris, mentha arvensis, rorippa sylvestris, rumex acetosella, setaria viridis, sonchus arvensis, stellaria media, trifolium pratense, veronica persica, veronica polita, vicia sativa