text: apera spica-venti, veronica arvensis, convolvulus arvensis, fallopia convolvulus, viola arvensis, capsella bursa-pastoris, centaurea cyanus, cirsium arvense, myosotis arvensis, papaver dubium, polygonum aviculare, rumex acetosella, scleranthus annuus, setaria viridis, veronica hederifolia, lysimachia arvensis, veronica triphyllos, vicia hirsuta, vicia sativa